Fixes navbar buttons state

Navbar button were not highlighted when clicked and corresponding page
was displayed.
ui-state-persist fixes this
(http://stackoverflow.com/questions/6090922/jquery-mobile-force-ui-btn-active-on-navbar-button)
Removes bundler dependency

Removed bundle exec call for client startup
Implements Faye logging

Logs will be sent to Faye when RASP_LOG=FAYE