Fixes #565 - rake puppet:import:puppet_classes misses some changes

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

updates host forms

added css grid and converted most pages to use that grid

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 #660 - getting 404 while refreshing the operating systems selection

adding missing files refs #646

fixes #646 - Creating a host and getting an error results in Operating System not being accepted

Fixes #631 - Adds the ability to set default values for hostgroups, which
are automatically applied when creating a new host (and selecting that
host group), and allows for templates to be rendered with those default
hostgroup values

Fixes #378 - Adds support for multiple configuration templates

Configuration templates (Kickstart, preseed, syslinux, gpxe etc) can now
be saved in the database directly.

Each template is associated with valid operating systems (unless if its a
snippet which can rendered via all other templates) and a possible...

Fixes #450 - Environment imports lose their puppetclass associations