Update version number for next release.
Allow ajax handler to manage POST requests.

This previously only accepted GET requests.
Remove stray comment.
Update edit attachment URL's.
Allow users to sort the Webcomic Generator list.
Update to new media manager.

Getting rid of the old thickbox infavor of WordPress 3.5's manager.
Also adds a brief message that will hopefully cut down on the number of
users that insist on inserting
Add help info for Webcomic Attacher.
Correct Webcomic Media box update event triggers.
Implement new media functionality.

Includes the Webcomic Attacher, Webcomic Media tab (for the modal media
manager), and various other changes.
Remove stray comment.