handle attachments as Immutable
- send them to server as multipart
- save draft attachments in the DS
handle cid: style inline attachments
load fixtures already clear fixtures
add tests for attachment handling
separate simple refresh (1000/favorite box) & forcedRefresh (all)
Use Underscore's isEqual in shouldComponentUpdate
Prefer em unit in frontend stylesheets
Bugfix on account edit
Fix regression on message patch
Fix regression on display of next message after move
Small refactoring of message store
Fix filepicker tests
Fix display of message with remote images
Update JSON-Patch library