fix(Site): Fix version select box height

The version select box was too short, caused by an explicit "height: 30px"
in docs.css. This update references a new version that removes that style.

Author: c0bra

package.json

@@ -49,7 +49,7 @@
     "karma-script-launcher": "~0.1",
     "grunt-karma": "~0.8",
     "marked": "~0.2",
-    "grunt-ngdocs": "https://github.com/c0bra/grunt-ngdocs/tarball/0.1.7-custom15",
+    "grunt-ngdocs": "https://github.com/c0bra/grunt-ngdocs/tarball/0.1.7-custom16",
     "grunt-conventional-changelog": "~1.0.0",
     "grunt-gh-pages": "~0.9.0",
     "semver": "~2.2.1",