added validation-start time has to be before end time
fixed date-empty/time bug, removed mingroupsize field
recurring studygroups works again in the latested UI(don't use <table>)
fixed image url
changed info stored in unchanged SG so that times, location, and recurring are nil
Merge branch 'more_validation'
so errors don't exist
merge more_validation branch with master
fixed tests that still had fields for minsize
Merge branch 'master' into edit_studygroup
replaced Time.now with a generic time so that tests wouldn't fail via the before 8am requirement
done with ui
Merge branch 'master' into messageUi

Conflicts:
	app/views/studygroups/show.html.erb
Intermediate commit before moving date code to method
Merge branch 'messageui'
Merge branch 'master' of https://github.com/dkumar/MeetMyClassmates
Can make unscheduled into scheduled studygroup
Merge branch 'master' into edit_studygroup

Conflicts:
	app/views/studygroups/show.html.erb
Merge branch 'edit_studygroup' of https://github.com/dkumar/MeetMyClassmates into edit_studygroup

Conflicts:
	app/views/studygroups/show.html.erb