update npm dependencies

Author: chieffancypants

package.json

@@ -26,20 +26,16 @@
   },
   "homepage": "https://chieffancypants.github.io/angular-loading-bar",
   "devDependencies": {
-    "karma-script-launcher": "~0.1.0",
-    "karma-chrome-launcher": "~0.1.0",
-    "karma-firefox-launcher": "~0.1.0",
-    "karma-html2js-preprocessor": "~0.1.0",
-    "karma-jasmine": "~0.1.3",
-    "karma-coffee-preprocessor": "~0.1.0",
-    "karma-phantomjs-launcher": "~0.1.0",
-    "karma": "~0.10.2",
-    "karma-coverage": "~0.1.0",
+    "karma-jasmine": "^0.1.3",
+    "karma-coffee-preprocessor": "^0.2.0",
+    "karma-phantomjs-launcher": "^0.1.0",
+    "karma": "~0.12.0",
+    "karma-coverage": "^0.1.0",
     "grunt": "~0.4.1",
     "grunt-contrib-jshint": "~0.6.4",
-    "grunt-contrib-uglify": "~0.2.4",
-    "grunt-contrib-cssmin": "~0.6.1",
-    "grunt-karma": "~0.6.2",
-    "grunt-contrib-concat": "~0.3.0"
+    "grunt-contrib-uglify": "^0.9.1",
+    "grunt-contrib-cssmin": "~0.12.0",
+    "grunt-karma": "~0.11.0",
+    "grunt-contrib-concat": "^0.5.0"
   }
 }