* Removed grey background from checkboxes and bulk actions.
* Removed blue colouring on subheadings.
* Changed greys to the clean theme greys

* The top action now works on top level categories and has
  a better title.
* Each category has its own resort actions now.

Conflicts:
	lib/upgrade.txt

rwijaya authored Nov 04, 2013 and Damyon Wiese committed Nov 04, 2013

This patch fix the following issue repository icon size, dialog title bar background color and rounded corner for dialog box.

Conflicts:

	theme/bootstrapbase/style/moodle.css

date_format_string() will now convert date on windows based on calendar type used

Conflicts:
	theme/bootstrapbase/style/moodle.css