LB-1272 On embed replace "updated on 14:50" with "updated at 14:50"

Fix bug: on page load the time is missing.
Merge pull request #533 from nidzix/master

LB-1292 : Image attached to 'Normal'-type post is overlapping other posts on embed
Merge pull request #534 from patriciagarcia/LB-1272-master

LB-1272 On embed replace "updated on 14:50" with "updated at 14:50"
LB-1272 Delete unneeded files (don't belong to master branch)
LB-1272 Edit files so r.js will work

Delete duplicate keys from concat.js
Change from windows eol to unix
LB-1272 Build embed and themes
Merge branch 'master' into LB-1272-master
Merge pull request #540 from patriciagarcia/LB-1272-master

LB-1272 On embed replace "updated on 14:50" with "updated at 14:50"
LB-1293 Can't drag image into media upload form
Merge pull request #544 from nidzix/master

LB-1073 : Image post's GUI is broken
Merge pull request #548 from patriciagarcia/LB-1293-master

LB-1293 Can't drag image into media upload form
LB-1163: As an editor, I want to filter posts on chained blog source by verification status and assigned user

fixed deleted items filters.
Merge pull request #549 from nistormihai/master

LB-1163: As an editor, I want to filter posts on chained blog source by ...
LB-1284: Sometimes post from chained blog becomes grayed-out when chained blog contents are updating on master blog

'blind' fix
Merge pull request #568 from vladnicoara/master-chain

LB-1284: Sometimes post from chained blog becomes grayed-out when chaine...
KSML theme fix

Fix backdrop issues during adding lb embed comments
LB-1139 : Embed show the texts overlapped

Remove mobile styling for the theme as the site itself isn't responsive.
This styling was reproducing issues on ipad,.