diff --git a/package-lock.json b/package-lock.json
index a19bfb6..b06d182 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -12,7 +12,7 @@
         "angular": "^1.4.8",
         "body-parser": "1.14.2",
         "express": "4.13.4",
-        "mongoose": "4.4.5"
+        "mongoose": "4.13.21"
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       "devDependencies": {
         "webpack": "1.12.14"
@@ -149,7 +149,8 @@
     "node_modules/async": {
       "version": "1.5.2",
       "resolved": "https://registry.npmjs.org/async/-/async-1.5.2.tgz",
-      "integrity": "sha1-7GphrlZIDAw8skHJVhjiCJL5Zyo="
+      "integrity": "sha1-7GphrlZIDAw8skHJVhjiCJL5Zyo=",
+      "dev": true
     },
     "node_modules/async-each": {
       "version": "1.0.3",
@@ -263,9 +264,9 @@
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-      "version": "2.9.26",
-      "resolved": "https://registry.npmjs.org/bluebird/-/bluebird-2.9.26.tgz",
-      "integrity": "sha1-Nidy6k0J9VakufO2TC/RNuh+OlU="
+      "version": "3.5.0",
+      "resolved": "https://registry.npmjs.org/bluebird/-/bluebird-3.5.0.tgz",
+      "integrity": "sha512-3LE8m8bqjGdoxfvf71yhFNrUcwy3NLy00SAo+b6MfJ8l+Bc2DzQ7mUHwX6pjK2AxfgV+YfsjCeVW3T5HLQTBsQ=="
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@@ -311,9 +312,9 @@
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-      "resolved": "https://registry.npmjs.org/bson/-/bson-0.4.21.tgz",
-      "integrity": "sha1-uOrjjFqpT3uOZOjP7Q9C5YMI7ZU=",
+      "version": "1.0.9",
+      "resolved": "https://registry.npmjs.org/bson/-/bson-1.0.9.tgz",
+      "integrity": "sha512-IQX9/h7WdMBIW/q/++tGd+emQr0XMdeZ6icnT/74Xk9fnabWn+gZgpE+9V+gujL3hhJOoNrnDVY7tWdzc7NUTg==",
       "deprecated": "Fixed a critical issue with BSON serialization documented in CVE-2019-2391, see https://bit.ly/2KcpXdo for more details",
       "engines": {
         "node": ">=0.6.19"
@@ -330,6 +331,11 @@
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+    "node_modules/buffer-shims": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/buffer-shims/-/buffer-shims-1.0.0.tgz",
+      "integrity": "sha512-Zy8ZXMyxIT6RMTeY7OP/bDndfj6bwCan7SS98CEndS6deHwWPpseeHlwarNcBim+etXnF9HBc1non5JgDaJU1g=="
+    },
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       "resolved": "https://registry.npmjs.org/isarray/-/isarray-1.0.0.tgz",
@@ -401,7 +407,6 @@
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         "inherits": "^2.0.1",
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@@ -731,9 +736,9 @@
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-      "resolved": "https://registry.npmjs.org/es6-promise/-/es6-promise-3.0.2.tgz",
-      "integrity": "sha1-AQ1YWEI6XxGJeWZfRkhqlcbuK7Y="
+      "version": "3.2.1",
+      "resolved": "https://registry.npmjs.org/es6-promise/-/es6-promise-3.2.1.tgz",
+      "integrity": "sha512-oj4jOSXvWglTsc3wrw86iom3LDPOx1nbipQk+jaG3dy+sMRM6ReSgVr/VlmBuF6lXUrflN9DCcQHeSbAwGUl4g=="
     },
     "node_modules/escape-html": {
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@@ -1104,9 +1109,9 @@
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-      "resolved": "https://registry.npmjs.org/hooks-fixed/-/hooks-fixed-1.1.0.tgz",
-      "integrity": "sha1-DowVM2cI5mERhf45C0RofdUjDbs=",
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/hooks-fixed/-/hooks-fixed-2.0.2.tgz",
+      "integrity": "sha512-YurCM4gQSetcrhwEtpQHhQ4M7Zo7poNGqY4kQGeBS6eZtOcT3tnNs01ThFa0jYBByAiYt1MjMjP/YApG0EnAvQ==",
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@@ -1389,7 +1394,8 @@
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-      "integrity": "sha1-ihis/Kmo9Bd+Cav8YDiTmwXR7t8="
+      "integrity": "sha1-ihis/Kmo9Bd+Cav8YDiTmwXR7t8=",
+      "dev": true
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     "node_modules/isobject": {
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@@ -1419,9 +1425,9 @@
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-      "resolved": "https://registry.npmjs.org/kareem/-/kareem-1.0.1.tgz",
-      "integrity": "sha1-eAXSFbtTIU7Dr5aaHQsfF+PnuVw="
+      "version": "1.5.0",
+      "resolved": "https://registry.npmjs.org/kareem/-/kareem-1.5.0.tgz",
+      "integrity": "sha512-DFYc05y1WSs6Ar++MHYRYu7/5r5356WDaKk8tQ8m6rlXD3VLpyG6Np81U78/wWJ4b5hjFXS7HkJNYrs85VypQA=="
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     "node_modules/kind-of": {
       "version": "3.2.2",
@@ -1456,6 +1462,16 @@
         "object-assign": "^4.0.1"
       }
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+    "node_modules/lodash": {
+      "version": "4.17.21",
+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.21.tgz",
+      "integrity": "sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg=="
+    },
+    "node_modules/lodash.get": {
+      "version": "4.4.2",
+      "resolved": "https://registry.npmjs.org/lodash.get/-/lodash.get-4.4.2.tgz",
+      "integrity": "sha512-z+Uw/vLuy6gQe8cfaFWD7p0wVv8fJl3mbzXh33RS+0oW2wvUqiRXiQ69gLWSLpgB5/6sU+r6BlQR0MBILadqTQ=="
+    },
     "node_modules/longest": {
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       "resolved": "https://registry.npmjs.org/longest/-/longest-1.0.1.tgz",
@@ -1648,43 +1664,75 @@
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-      "resolved": "https://registry.npmjs.org/mongodb/-/mongodb-2.1.6.tgz",
-      "integrity": "sha1-6+7EB91y7B158WHds+mxyJ/Uk4A=",
-      "deprecated": "Please upgrade to 2.2.19 or higher",
+      "version": "2.2.34",
+      "resolved": "https://registry.npmjs.org/mongodb/-/mongodb-2.2.34.tgz",
+      "integrity": "sha512-JNW3PxPSMaG5Qu1yWb/BwVmAd5/d6sdX0Fy8Av3pAF3KbwDRqormEGIJMoDjiV/JtOR2zRSPk4xHgZxwI/bAnQ==",
       "dependencies": {
-        "es6-promise": "3.0.2",
-        "mongodb-core": "1.3.1",
-        "readable-stream": "1.0.31"
+        "es6-promise": "3.2.1",
+        "mongodb-core": "2.1.18",
+        "readable-stream": "2.2.7"
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       "engines": {
         "node": ">=0.10.3"
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     "node_modules/mongodb-core": {
-      "version": "1.3.1",
-      "resolved": "https://registry.npmjs.org/mongodb-core/-/mongodb-core-1.3.1.tgz",
-      "integrity": "sha1-xQS0XkIwB0Hr8LSx0S08EHOZRYg=",
+      "version": "2.1.18",
+      "resolved": "https://registry.npmjs.org/mongodb-core/-/mongodb-core-2.1.18.tgz",
+      "integrity": "sha512-i+PcaD5a5xF6gc2ujgvQDORV2iSRfoJ+IeBWUZrq37KRMJp+3G79/gPRXVkj/3CEGCPIDDYoTkaRgNpxJDrKBA==",
       "dependencies": {
-        "bson": "~0.4.21",
+        "bson": "~1.0.4",
         "require_optional": "~1.0.0"
       }
     },
+    "node_modules/mongodb/node_modules/isarray": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/isarray/-/isarray-1.0.0.tgz",
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+    },
+    "node_modules/mongodb/node_modules/process-nextick-args": {
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+      "resolved": "https://registry.npmjs.org/process-nextick-args/-/process-nextick-args-1.0.7.tgz",
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+    },
+    "node_modules/mongodb/node_modules/readable-stream": {
+      "version": "2.2.7",
+      "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.2.7.tgz",
+      "integrity": "sha512-a6ibcfWFhgihuTw/chl+u3fB5ykBZFmnvpyZHebY0MCQE4vvYcsCLpCeaQ1BkH7HdJYavNSqF0WDLeo4IPHQaQ==",
+      "dependencies": {
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+        "core-util-is": "~1.0.0",
+        "inherits": "~2.0.1",
+        "isarray": "~1.0.0",
+        "process-nextick-args": "~1.0.6",
+        "string_decoder": "~1.0.0",
+        "util-deprecate": "~1.0.1"
+      }
+    },
+    "node_modules/mongodb/node_modules/string_decoder": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.0.3.tgz",
+      "integrity": "sha512-4AH6Z5fzNNBcH+6XDMfA/BTt87skxqJlO0lAh3Dker5zThcAxG6mKz+iGu308UKoPPQ8Dcqx/4JhujzltRa+hQ==",
+      "dependencies": {
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-      "version": "4.4.5",
-      "resolved": "https://registry.npmjs.org/mongoose/-/mongoose-4.4.5.tgz",
-      "integrity": "sha1-Yzzn+RO9WmDOh5XdflCmViKJn9M=",
-      "dependencies": {
-        "async": "1.5.2",
-        "bson": "0.4.21",
-        "hooks-fixed": "1.1.0",
-        "kareem": "1.0.1",
-        "mongodb": "2.1.6",
-        "mpath": "0.2.1",
+      "version": "4.13.21",
+      "resolved": "https://registry.npmjs.org/mongoose/-/mongoose-4.13.21.tgz",
+      "integrity": "sha512-0VZtQu1rSUPwUtbb7zh6CymI0nNkVInOIDbtWNlna070qnUO14On8PpSVSwlx3gwmkKL2OkP4ioCj5YHC6trMg==",
+      "dependencies": {
+        "async": "2.6.0",
+        "bson": "~1.0.4",
+        "hooks-fixed": "2.0.2",
+        "kareem": "1.5.0",
+        "lodash.get": "4.4.2",
+        "mongodb": "2.2.34",
+        "mpath": "0.5.1",
         "mpromise": "0.5.5",
-        "mquery": "1.7.0",
-        "ms": "0.7.1",
-        "muri": "1.1.0",
+        "mquery": "2.3.3",
+        "ms": "2.0.0",
+        "muri": "1.3.0",
         "regexp-clone": "0.0.1",
         "sliced": "1.0.1"
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@@ -1692,10 +1740,26 @@
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+    "node_modules/mongoose/node_modules/async": {
+      "version": "2.6.0",
+      "resolved": "https://registry.npmjs.org/async/-/async-2.6.0.tgz",
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+      "dependencies": {
+        "lodash": "^4.14.0"
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+    "node_modules/mongoose/node_modules/ms": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
+      "integrity": "sha512-Tpp60P6IUJDTuOq/5Z8cdskzJujfwqfOTkrwIwj7IRISpnkJnT6SyJ4PCPnGMoFjC9ddhal5KVIYtAt97ix05A=="
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-      "resolved": "https://registry.npmjs.org/mpath/-/mpath-0.2.1.tgz",
-      "integrity": "sha1-Ok6Ck1mAHeljCcJ6ay4QLon56W4="
+      "version": "0.5.1",
+      "resolved": "https://registry.npmjs.org/mpath/-/mpath-0.5.1.tgz",
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+      "engines": {
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@@ -1703,20 +1767,33 @@
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-      "integrity": "sha1-N2Q+AO2Nn82zhh09QkJVkNGeZks=",
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-        "bluebird": "2.9.26",
-        "debug": "2.2.0",
+        "bluebird": "3.5.0",
+        "debug": "2.6.9",
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         "sliced": "0.0.5"
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+      "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
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+      "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
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-      "integrity": "sha1-XtwETKTrb3gW1Qui/GPiXY/kcH8="
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@@ -1724,9 +1801,9 @@
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-      "resolved": "https://registry.npmjs.org/muri/-/muri-1.1.0.tgz",
-      "integrity": "sha1-o6bXTmiogPQzokmnSWnLtmXMCt0="
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       "integrity": "sha1-jyUC4LyeOw2huUUgqrtOJgPsr64=",
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@@ -2618,7 +2696,7 @@
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@@ -3367,8 +3445,7 @@
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-      "dev": true
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@@ -3613,7 +3690,8 @@
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+      "integrity": "sha1-7GphrlZIDAw8skHJVhjiCJL5Zyo=",
+      "dev": true
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@@ -3694,9 +3772,9 @@
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-      "resolved": "https://registry.npmjs.org/bluebird/-/bluebird-2.9.26.tgz",
-      "integrity": "sha1-Nidy6k0J9VakufO2TC/RNuh+OlU="
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@@ -3736,9 +3814,9 @@
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-      "integrity": "sha1-Ok6Ck1mAHeljCcJ6ay4QLon56W4="
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@@ -4848,20 +4992,33 @@
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-      "integrity": "sha1-N2Q+AO2Nn82zhh09QkJVkNGeZks=",
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-        "debug": "2.2.0",
+        "bluebird": "3.5.0",
+        "debug": "2.6.9",
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@@ -4871,9 +5028,9 @@
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-      "integrity": "sha1-o6bXTmiogPQzokmnSWnLtmXMCt0="
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@@ -5286,6 +5443,7 @@
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       "integrity": "sha1-jyUC4LyeOw2huUUgqrtOJgPsr64=",
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@@ -5618,7 +5776,7 @@
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-      "integrity": "sha1-p8LgmJH9vzj7sQ03b7cwA+aKxYk="
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@@ -5650,7 +5808,7 @@
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@@ -5682,8 +5840,7 @@
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@@ -6021,7 +6178,8 @@
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diff --git a/package.json b/package.json
old mode 100755
new mode 100644
index 49d3b64..4a63c25
--- a/package.json
+++ b/package.json
@@ -21,7 +21,7 @@
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