#163, Rendering sub collection in a proper container
#163, Added droppable ability to sub collection header
#163, Refactored templates
Changed subCollection to folder
Renamed item_collection_sub to item_collection_folder
Delete folder and faster refresh
Deleting requests properly from either collection or folder
Ordering requests at the time of initialization
Fixed sorting of requests
Rendering requests in a folder
Able to move requests into folders properly
Fixed issue with rendering collection if just one collection is present
Drag/drop working between folders and collections
Reordering requests within folders
Fixed reordering bug