updates UI to bootstrap v2

fixes #1414 - pie is over cooked in chrome.

WIP rails3 migration

statistics pie is now a thumbnail that expand in a modal dialog.

Signed-off-by: Amos Benari <abenari@redhat.com>

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 #1045 adds total memory usage chart to statistics page

Signed-off-by: Mikael Fridh <frimik@gmail.com>

fixes #285 - Use Charting system which can work offline

• dashboard charts
• statistics page
• host show page

additionally, main menu buttons and bookmarks drop down are easier to handle and read

Fixes #101 - Generate rdoc files and html links on the puppetclasses page

Rewite rdocs if required by the prepare phase
Incorporate Fank Sweetser's :: patch
Incorporate a url_helper suggested by Ohad
Added a new interface via links on the supported environments list

fixes #89 - this adds basic graphs and charts for your inventory, it
also includes minor changes to the dashboard graphs