added cal widget to edit listing page
added edit cal functionality, basic filter page setup
Filter page complete, fixed edit dates
Merge branch 'master' of https://github.com/stephanieguo/friendswap into releasemar10Ste

Conflicts:
	app/views/listings/create.html.erb

merge master with releasemar10Ste
commented out alert
Merge branch 'master' of https://github.com/stephanieguo/friendswap

Conflicts:
	app/views/listings/create.html.erb

deleted commented out code, pulling from latest master
Merge branch 'releasemar10Ste'

Merging this branch into master. Contains filter page functionality and Edit Dates