css tweaks

Conflicts:
	css/style.css
beginnings of new admin system.

Conflicts:
	css/style.css
menu selection for admin system
[OE-2738] style tweaks for admin functionality.
[OE-2738] admin index page
[OE-2738] enabled admin function for editing users.

Conflicts:
	protected/models/User.php
[OE-2738] tweaks to user admin system
[OE-2738] removed customs rules for admin section as they seem to cause weirdness.
[OE-2738] base css supporting the reports module.

Conflicts:
	css/style.css
+ abstract admin controllers for modules to a core controller