installed new dependencies

Author: onokumus

package.json

@@ -59,6 +59,10 @@
     "grunt-html-validation": "^0.1.18",
     "grunt-modernizr": "^1.0.2",
     "grunt-wiredep": "^3.0.1",
+    "gulp-extname": "^0.2.2",
+    "handlebars-helpers": "^0.7.3",
+    "helper-markdown": "^0.2.1",
+    "helper-md": "^0.2.1",
     "jscs": "^3.0.7",
     "load-grunt-tasks": "^3.5.0",
     "pretty": "^1.0.0",