Allow crop creation even if the crop isn't created yet.
Add info about which crops are attached to an asset field with it's widget
Widget fixes
crop selection functionality

http://jira.ff0000.com/browse/SC-28

wip: close popup onsubmit
styled upload button per SC-28

http://jira.ff0000.com/browse/SC-28
styled .crops-list / SC-28

http://jira.ff0000.com/browse/SC-28
added .close-popup to crop template submit
added popup param to crop link
adjusted upload btn position
Merge branch 'feature/assetwidget' into develop