Squashed 'plugins/embed/' changes from 9b3a346..63710d7

63710d7 Merge pull request #219 from nistormihai/master
76cb92c LB-1889 Added generic theme

git-subtree-dir: plugins/embed
git-subtree-split: 63710d758c806228226c0ce21a3bef20b4cf8373
Merge commit '9bac1ad939419225979fd8bb1b6301e0cff65edb'
LB-1889: Create demo africa7.sd-demo.sourcefabric.org

Added __init__.py
Merge pull request #808 from nistormihai/master

Generic theme added.
LB-1906 Set up new Live Blog demos

removed themes,
set default themes to 'default' and 'generic'
Merge pull request #825 from nistormihai/master

LB-1906 Set up new Live Blog demos
LB-1927: Reset DeletedOn flag when receiving a published post from a chained blog; fixed
Merge pull request #828 from msat-cont/master

LB-1927: Reset DeletedOn flag when receiving a published post from a chained blog
Update README.md

Updated the links to sourcefabric.org
Update CHANGES.txt for 2.0 stable release
Update CHANGES.txt for 2.0 stable release
Merge pull request #834 from ioanpocol/devel

LB-1925 - Fallback solution for new SEO/HTML URLs
Merge pull request #836 from superdesk/master

Master update devel branch.
Merge pull request #835 from superdesk/devel

Devel
LB-1906 Set up new Live Blog demos

removed themes,
set default themes to 'default' and 'generic'
Merge pull request #837 from superdesk/master

Merge latest changes.
LB-1932 - "Result: Fail to publish the HTML file on CDM" when trying to generate a SEO HTML