added product item form and AddProductItemCtrl Refs #105
added breadcrumb navigation to product item Refs #105
first draft of product item form Refs #105
second draft of product item form Refs #105
used default date picker for expiration date Refs #105
added visual indicator for expired drug Refs #105
added visual indicator for expired drug Refs #105
added visual indicator for expired drug Refs #105
Merge remote-tracking branch 'origin/master'

Conflicts:
	app/views/main/product_items.html
added color to program status glyphicon Refs #106
changed bread crumb Refs #106
changed bread crumb Refs #106