(chore): update dev dependencies and Travis CI configuration

.travis.yml

@@ -1,7 +1,11 @@
 language: node_js
-node_js: 0.10
-before_install: npm install -g grunt-cli
+node_js: 5.5.0
+before_install:
+  - export CHROME_BIN=chromium-browser
+  - export DISPLAY=:99.0
+  - sh -e /etc/init.d/xvfb start
+  - npm install -g grunt-cli
 install: npm install
 before_script: grunt build
 after_script: cat ./build/coverage/**/lcov.info | ./node_modules/coveralls/bin/coveralls.js
-sudo: false
+sudo: false

package.json

@@ -23,21 +23,22 @@
   },
   "main": "dist/angular-spring-data-rest.min.js",
   "devDependencies": {
-    "bower": "~1.7.1",
-    "coveralls": "~2.11.6",
-    "grunt": "~0.4.5",
-    "grunt-bower-install-simple": "~1.2.0",
-    "grunt-contrib-concat": "~0.5.1",
-    "grunt-contrib-uglify": "~0.11.0",
-    "grunt-karma": "~0.12.1",
-    "karma": "~0.13.15",
-    "karma-chrome-launcher": "~0.2.2",
-    "karma-coverage": "~0.5.3",
-    "karma-firefox-launcher": "~0.1.7",
-    "karma-jasmine": "~0.3.6",
-    "karma-phantomjs-launcher": "~0.2.1",
-    "load-grunt-tasks": "~3.4.0",
-    "time-grunt": "~1.2.2"
+    "bower": "~1.7.9",
+    "coveralls": "~2.11.14",
+    "grunt": "~1.0.1",
+    "grunt-bower-install-simple": "~1.2.3",
+    "grunt-contrib-concat": "~1.0.1",
+    "grunt-contrib-uglify": "~2.0.0",
+    "grunt-protractor-runner": "~4.0.0",
+    "grunt-karma": "~2.0.0",
+    "karma": "~1.3.0",
+    "karma-chrome-launcher": "~2.0.0",
+    "karma-coverage": "~1.1.1",
+    "karma-firefox-launcher": "~1.0.0",
+    "karma-jasmine": "~1.0.2",
+    "karma-phantomjs-launcher": "~1.0.2",
+    "load-grunt-tasks": "~3.5.2",
+    "time-grunt": "~1.4.0"
   },
   "dependencies": {},
   "license": "MIT",