fixes #264 - Overview of host's puppet classes should be sorted

Fixes #262 - Architecture selection on create/edit operating system form

Fixes #256 - Environment names should be alphanumeric

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 #248 - Generalise tab management and search facility

The search facility is now available from all controllers.
The search bar is only displayed if there is a partial
<controller_name>/_search_line.html.erb available.This partial also
describes and implements the possible search parameters for this controller...

fixes #241 - email notifications don't work when mail relay requires domain name

Fixes #204 - Remove AS from environments page

Merged import facility in Environment and Puppetclass controllers

imported redundent line - refs #232

Fixes #232 - Removes AS from Users page

The password verification test has not yet been implemented but will get done in AuthSourceInternal fix
All tests now pass These tests now work whether settings[:ldap] is enabled or not
Plus whitespace fix