Add depencies for express 4

Author: meldsza

package.json

@@ -11,6 +11,8 @@
     "parse-github-url": "^1.0.0",
     "colors": "^1.1.2",
     "async": "^2.3.0",
+    "serve-favicon":"^2.4.2",
+    "serve-static":"^1.12.1",
     "mkdirp": "^0.5.1",
     "body-parser": "^1.17.1",
     "cli-table": "^0.3.1",