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
Merge pull request #838 from ioanpocol/devel

LB-1932 - "Result: Fail to publish the HTML file on CDM" when trying to ...
LB-1932 : "Result: Fail to publish the HTML file on CDM" when trying to generate a SEO HTML
Merge pull request #839 from ioanpocol/devel

LB-1932 : "Result: Fail to publish the HTML file on CDM" when trying to ...
LB-1906 Set up new Live Blog demos

removed themes,
set default themes to 'default' and 'generic'
LB-1936 : Populate version throws an exception on console
Merge pull request #840 from ioanpocol/devel

LB-1936 : Populate version throws an exception on console
Squashed 'plugins/embed/' changes from d866230..cff4e02

cff4e02 Merge pull request #240 from nistormihai/master
7cec360 LB-1900: Concurrent request support via child_process exec
f1df0d2 Merge pull request #239 from nistormihai/master
8cd1868 Merge pull request #237 from nidzix/master
121719f LB-1937: Create coveralls.io project for liveblog
033f559 Merge branch 'master' of github.com:nistormihai/plugin-liveblog-embed-server
156b0ee LB-1937: Create coveralls.io project for liveblog
d7eb0fd LB-1900: Concurrent request support via child_process exec
ae58c3e LB-1900: Concurrent request support via child_process exec
c490b0d Merge pull request #236 from actionless/coverage
fd76f8f LB-1905: "New posts" notification not positioned correctly in the blog header bar
5a9917c repo: added coveralls report for karma

git-subtree-dir: plugins/embed
git-subtree-split: cff4e02efd87deb0939073f22a3e83d9481b8905
Merge commit '54111fb7824a6fd7b70bfcfc48a8093d256bc43f' into devel
Merge pull request #842 from nistormihai/devel

Devel
Merge pull request #843 from superdesk/devel

Devel