bumped other dependencies

Author: tschortsch

package.json

@@ -37,12 +37,12 @@
   "dependencies": {
     "gulp-util": "^3.0.4",
     "bootlint": "^0.12.0",
-    "through2": "^0.6.3",
+    "through2": "^0.6.5",
     "chalk": "^1.0.0"
   },
   "devDependencies": {
-    "mocha": "^2.2.0",
-    "should": "^5.1.0"
+    "mocha": "^2.2.4",
+    "should": "^5.2.0"
   },
   "readmeFilename": "README.md",
   "bugs": {