Fixes #3811 updating to bootstrap 3

fixes #2741 - remove dash from -%> to %>

fixes #2480 - undefined method `html_raw'

new top-bar navigation design and a new login page

Feature #2368 - host list popups and various fixes

Feature #2368 - i18n extracting strings

upgrade foreman to rails 3.2.13

This commit updates from rails 3.0.x to 3.2.x, main changes include:

• Asset pipline support
• cleanup of existing assets (javascript, css, images)

Users who uses foreman in production, make sure that you now compile
your assets, e.g...