YouTube action

Initial version. Still have to do some small changes.
Merge branch 'upstream_master'
Merge branch 'upstream'
Added YouTube action. Updated Goo.gl action.
Corrected version.
YouTube action

Updated description
Merge pull request #30 from alexchiri/master

YouTube action. Updated Goo.gl action
Fixed some minor bugs in YouTube action
Added missing UniqueID field to YouTube metadata
Added YouTube and Goo.gl actions to list_on_website.txt
Allowed dragging of a single file onto Kaleidoscope action