Get comments from the store by filter.
Unbind user thumbnail helper
Add ETahi.computed.limit arrayComputed helper.
Sort comments using arrayComputed stuff.

Prevent rerendering when possible.
Reload comment instead of task from eventstream.

Meta for a comment now just reloads the comment rather than the
whole task.  We found out the comment#show route was broken so
we fixed it as well.
Nobody needs commentLooks they've already read.
Make ETahi.computed.limit more robust.
Show reviewer papers on dashboard.
Use commentLooks on the dashboard.
Remove unreadCommentsCount from LitePaper
Fix key dependencies for unread comments count
get rid of shownComments in the commentsBoard.
Add a standard authorization response
Fix computed teardown issue
Correct message task setup

[ci skip]
Don't create comments all at the same time. Tests pass.
Add an application error check for submitting paper.
Merge pull request #510 from Tahi-project/fix-comment-flash

Fix comment flash