add a warning alongside state if the image is jpeg, and one that we cannot process
Show warning message if one comes back from server on upload
Tweak to make the satus message behavior more sane
Clear messages if user clicks upload
ajaxfileupload clears status messages on start now.
vanity version
returning an html warning instead of plain text; moving some log messages around
typo in the comment block
Merge branch 'image-format-backport' into image-format

Conflicts:
	project.clj
	src/caribou/admin/controllers/content/models.clj