Add unit testing to readme changelog
Change version to 1.2.0.
add props to readme
update readme changelog
Updated README.md to be less rude to potential beginners

Updated README.md to be less rude to potential beginners
Merge pull request #554 from bradp/patch-1

Updated README.md to be less rude to potential beginners
update save_field()

changed the != to !== in order to update file_list when the array has been reordered by the new .sortable() feature.
update the file_list() field type

Added the jQuery-ui .sortable() to the file_list field type. Now these items are sortable by drag and drop.
set .sortable() cursor option to "move"
set .attach_list li img cursor property

set cursor property to "move" for .attach_list li img
set .attach_list li img cursor property

set cursor property to "move" for .attach_list li img
Make the list items in the 'file_list' field type drag/drop sortable. Props @twoelevenjay, Closes #603