Merge pull request #71 from ravomavain/pull_bookmark_module

[Bookmark] Add bookmark module
Tweaks on bookmark commit #71

:target selector can't be used since bookmark default page doesn't
provide an url fragment - Would need a url modifier beforehand
Warn on failed twit while writing - close #72

Listens for enter key and scans for non working twits in the textarea
Poorly written regex but works on most failure cases
The alert is annoying enough to be spotted but doesn't seem to be disturbing
Removing img multi upload code - branched on img_multi_upload
Add a A/Go column to aura table