Adding package.json with npm dev dependencies for js specs

.gitignore

@@ -39,3 +39,4 @@ NERD_tree*
 coverage
 libpeerconnection.log
 /config/application.yml
+node_modules

.travis.yml

@@ -28,10 +28,8 @@ before_script:
   - RAILS_ENV=test bundle exec rake db:create db:schema:load
   - >
     if [ "$KARMA" = "true" ]; then
-      npm install karma@0.13.22
-      npm install karma-jasmine@0.3.8
-      npm install karma-phantomjs-launcher@1.0.0
-      npm install karma-coffee-preprocessor@0.3.0
+      npm install -g npm@'~3.8.8'
+      npm install
       npm install -g karma-cli@0.1.2
     fi
 

package.json

@@ -0,0 +1,16 @@
+{
+  "name": "openfoodnetwork",
+  "version": "1.7.1",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/openfoodfoundation/openfoodnetwork"
+  },
+  "devDependencies": {
+    "karma": "~0.13.22",
+    "karma-jasmine": "~0.3.8",
+    "jasmine-core": "~2.4.1",
+    "karma-phantomjs-launcher": "~1.0.0",
+    "karma-coffee-preprocessor": "~0.3.0"
+  },
+  "license": "AGPL-1.0"
+}