updates UI to bootstrap v2

fixes #1261 - show templates in host-show page

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 #930 - Skipped resources should not put systems in 'error' state

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 #151 - add show host page
Added a nested link to hosts to lots of controllers