fixes #300 - Add icon hints to class add/remove

Icons taken from http://www.freeiconsweb.com/Webmaster-Pixel-Icon-Set.html

Fixes #292 - puppetdocs should be in a frame

minor formating changes

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 #277 - add search options to puppet classes page

Fixes #249 - Remove AS from reports

Added a searchbar for hostname, reporting period and the type of report.

Ensure that all index views and controllers are consistent

Ensures that all controllers use @search in the index method
Ensure that all index views use pagination

Fixes #204 - Remove AS from environments page

Merged import facility in Environment and Puppetclass controllers

• added better module detection to properly show the module list
• Add sorting to module class lists
• Add description to each link

• Remove active scaffold from hosts controller.
• changed default host graphs from one day for up to one week
• added dynamic dropdown boxes for host creation / edit page (e.g. for puppet classes, operating systems etc)....