removed the need to add 'btn' class for the action_buttons helper, and changed the action buttons to small.

Fixes #2050 - Don't display revoked certs by default

fix minor css classes declaration.

fix certificates and autosign list views

updates UI to bootstrap v2

fixes #1401 - smart proxies filtering. will not remember the selected filter once an operation was selected

fixes #1333 -Destroy vs Delete inconsitent naming

Signed-off-by: Florian Koch <florian.koch1981@googlemail.com>

WIP rails3 migration

new UI for foreman

New artwork

• dark top-bar
• moved the search box below the tabs line.
• improved the show host page
• added notifications
• Settings tab now changes title based on the active action
• lots of cleanups - fixes #1066, fixes #926, fixes #628 and many other minor changes...