updated roadmap
changelog added
Merge branch 'doc'
fixed typo
refactored user.less: moved to UserBundle
changelog updated
added a class reflecting the route name to the <body>

references issue #22
less files heavily refactored to use route names in <body>
tweaked action buttons
added FontAwesome
assets refactored into web/assets instead of app/resources because of
problems with relative paths and assetic
fixed assets load
added FontAwesome's icons
added info modal box to bricks edit interface
tweaked user menu css and layout
typo
added brick description info modal
tweaked info modal title
tweaked signup button
tweaked main navbar css