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...

Fixes #920 - Add authorization to hypervisor, bookmarks, subnets, smart-proxy/autosign and puppetca

Signed-off-by: Paul Kelly <paul.ian.kelly@googlemail.com>

fixes #876 - Improve puppet certificates pages

• Add basic things like filtering based on state (pending, valid, revoked) sorting etc
• Add support timestamps that were introduced in #873

fixes #870 - allow to sign certificate requests via foreman

fixes #400 - Puppetca Monitor