Move config out of statics path

Since static path is providing with a high expiration data, we provide
configs via API. This shouldn't add any noticeable load while making it
uncached and this way working again.

Signed-off-by: Sheogorath <sheogorath@shivering-isles.com>

lib/config/default.js

@@ -45,6 +45,7 @@ module.exports = {
   errorPath: './public/views/error.ejs',
   prettyPath: './public/views/pretty.ejs',
   slidePath: './public/views/slide.ejs',
+  constantsPath: './public/js/lib/common/constant.ejs',
   uploadsPath: './public/uploads',
   // session
   sessionName: 'connect.sid',