Fixing #174 - Order commitments by start date
Fix issue #193.
Fixing issue #192; also fix a typo in a comment
Issue #171 - Move Add New Disaster link to top of list
Merge branch 'Issue-192'
Merge branch 'Issue-193'

Conflicts:
	crisischeckin/crisicheckinweb/Views/Volunteer/CreateMessage.cshtml
	crisischeckin/crisicheckinweb/Views/Volunteer/SendMessageToVolunteersByDisaster.cshtml
Merge branch 'Issue-174'
Merge branch 'Issue-171'
Merge pull request #202 from brunck/master

Fixing #171, #174, #192, #193