Removed the sort order button and included the sort order option into the sort list for all landing pages
Adding the down-caret icon back to the sort box
Fixed the sort labels and removed the 'reversed' attribute related calls in .py and .js
Store the sort option in the session Storage instead.
Merge branch 'develop' into GUI-406

Conflicts:
	koala/templates/macros.pt
	koala/views/groups.py
Merge branch 'develop' into GUI-406

Conflicts:
	koala/views/users.py
Merge pull request #206 from eucalyptus/GUI-406

Removed the sort order button and included the sort order option into th...