Merge pull request #796 from superdesk/devel

LB-1829: Merge devel branch on master
Squashed 'plugins/embed/' changes from 5e42b4a..202b4f9

202b4f9 Merge pull request #217 from nistormihai/master
15bf0f2 LB-1879: Create lb embed theme

git-subtree-dir: plugins/embed
git-subtree-split: 202b4f9ab889c51eac972fb9725bb0cf5146168e
Merge commit '6cb16dff3169e529d16b3da521fc202ed3baec96'
Merge pull request #797 from nistormihai/master

LB-1879: Create lb embed theme
Merge pull request #798 from superdesk/master

Master update.