update dev dependencies

package.json

@@ -17,21 +17,21 @@
     "gulp": "^3.9.0",
     "gulp-concat": "^2.6.0",
     "gulp-coveralls": "^0.1.4",
-    "gulp-header": "^1.2.2",
-    "gulp-jscs": "^1.6.0",
-    "gulp-jshint": "^1.11.0",
+    "gulp-header": "^1.7.1",
+    "gulp-jscs": "^3.0.1",
+    "gulp-jshint": "^1.11.2",
     "gulp-rename": "^1.2.2",
-    "gulp-uglify": "^1.2.0",
+    "gulp-uglify": "^1.4.2",
     "jasmine-core": "^2.3.4",
     "jshint-stylish": "^2.0.1",
-    "karma": "^0.12.37",
+    "karma": "^0.13.11",
     "karma-benchmark": "^0.4.0",
     "karma-benchmark-reporter": "^0.1.1",
-    "karma-chrome-launcher": "^0.2.0",
-    "karma-coverage": "^0.4.2",
+    "karma-chrome-launcher": "^0.2.1",
+    "karma-coverage": "^0.5.2",
     "karma-firefox-launcher": "^0.1.6",
-    "karma-jasmine": "^0.3.5",
-    "karma-phantomjs-launcher": "^0.2.0",
-    "karma-spec-reporter": "0.0.19"
+    "karma-jasmine": "^0.3.6",
+    "karma-phantomjs-launcher": "^0.2.1",
+    "karma-spec-reporter": "0.0.20"
   }
 }