Conditionally process file depending on file format
Merge remote-tracking branch 'origin/master' into images_in_adhoc_card
rename is_image? -> image?
Restrict accepted filetypes
edit title and caption
Merge remote-tracking branch 'origin/master' into images_in_adhoc_card
fix spec failure
Merge pull request #603 from Tahi-project/images_in_adhoc_card

Attach any filetype to adhoc card