Account for latest env vars in openshift, and switch to mysql
Fix population of meta tag for websocket port

Grunt was leaving it blank due to a single/double quote discrepancy
Reqsequence build process

Run grunt at the very end once env.json has been created. Otherwise
any build steps that rely on the contents of that file will fail
silently.

Also, avoid unnecessarily redownloading and rebuilding node during pre_build
hook by specifying the correct path.
Grunt needs to run from the repo dir
Refix for still-incorrect path when determining whether to download node
Allow access to websocket port over http/https

This is for Faye, presumably to allow for fallback transports