Changed the output of the Now block
- current (now) events start with "until <endtime>"
- upcoming events start with starttime
- changed the colors of the starttime, endtime and location fields
Fix menu issues

- switch to using meny with fix for close on tap
- apply correct css to fix viewport and perspective issues
- This also takes care of the regression that removed ability to scroll the menu items
Adjusted the logic for the Now/Upcoming block.
- Changed the order to show by endtime
Merge branch 'during-conference' of github.com:CANHEIT/CANHEIT-2013 into during-conference
Merge branch 'during-conference'

Conflicts:
	css/screen.css
	php/ajax.php