build(npm): upgrade npm dependencies to make the project node v4 compatible

Author: IgorMinar

package.json

@@ -35,21 +35,21 @@
     "gulp-task-listing": "^1.0.1",
     "gulp-util": "^3.0.6",
     "gulp-watch": "^4.3.4",
-    "harp": "^0.18.0",
+    "harp": "^0.19.0",
     "html2jade": "^0.8.4",
     "indent-string": "^2.1.0",
     "jasmine-core": "^2.3.4",
     "jasmine-node": "^1.14.5",
     "jsonfile": "^2.2.2",
-    "karma": "^0.13.9",
+    "karma": "^0.13.10",
     "karma-chrome-launcher": "^0.2.0",
     "karma-jasmine": "^0.3.6",
     "live-server": "^0.8.1",
     "lodash": "^3.10.1",
     "marked": "^0.3.5",
     "minimatch": "^2.0.10",
     "node-html-encoder": "0.0.2",
-    "nodegit": "^0.4.1",
+    "nodegit": "^0.5.0",
     "path": "^0.11.14",
     "prompt": "^0.2.14",
     "q": "^1.4.1",