fixes #899 - There are numerous typos and formatting issues with the code

refs #285 - removes any left over from the old google charts libraries

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

New Look and Feel for Foreman.

Lots of CSS and other changes.
Fixed flash notice.
Fix for fieldsets.
Modified the new/edit for Hosts page. Significantly improved workflow for 1024x768 and higher.
Fixed the menu styles.

Fixes #424 - Added responders for JSON and YAML to DashboardController#index

Fixes #288 - Moved DashboardController actions (except for #index) to HostsController.

• Added checkbox for enabling and disabling hosts from edit screen
• Enabling e-mail reports for hosts in downtime
• Added dashboard links to disabled hosts
• Added basic tests

fixes #286 - dashboard page contains a link to active_scaffold

CSS rework, aligned view on all pages
removed google JS from pages which do not require it

added google_visualr and converted dashboard and hosts graphs