update demo

Author: bradmartin

demo/package.json

@@ -2,14 +2,14 @@
   "nativescript": {
     "id": "org.nativescript.demo",
     "tns-android": {
-      "version": "3.4.1"
+      "version": "4.0.1"
     }
   },
   "dependencies": {
-    "@nstudio/nativescript-camera-plus": "file:../src",
+    "@nstudio/nativescript-camera-plus": "../src",
     "nativescript-theme-core": "^1.0.4",
     "nativescript-unit-test-runner": "^0.3.4",
-    "tns-core-modules": "^3.4.0"
+    "tns-core-modules": "^4.0.0"
   },
   "devDependencies": {
     "babel-traverse": "6.12.0",
@@ -21,8 +21,8 @@
     "karma-jasmine": "^1.0.2",
     "karma-nativescript-launcher": "^0.4.0",
     "lazy": "1.0.11",
-    "nativescript-dev-typescript": "~0.6.0",
-    "tns-platform-declarations": "^3.4.0",
-    "typescript": "~2.6.2"
+    "nativescript-dev-typescript": "~0.7.1",
+    "tns-platform-declarations": "^4.0.0",
+    "typescript": "~2.8.1"
   }
 }