Merge pull request #862 from superdesk/master

Master update
LBSD-152 : On http://sourcefabric.superdesk.pro not able to select "default coverage" chained blog
Merge pull request #865 from ioanpocol/devel

LBSD-152 : On http://sourcefabric.superdesk.pro not able to select "defa...
LBSD-142 Create switch for embed code

Added new general-settings models and collections.
Global settings are first pulled and used.
Merge pull request #866 from nistormihai/master

LBSD-142 Create switch for embed code
LBSD-141 Manage i18n in new embed
Merge pull request #863 from vladnicoara/manage-localization

LBSD-141 Manage i18n in new embed
LBSD-141 Prevent accidental form submit
Merge pull request #869 from vladnicoara/manage-localization

LBSD-141 Prevent accidental form submit
LBSD-141 JSONP fix
Merge pull request #870 from vladnicoara/manage-localization

LBSD-141 JSONP fix
LBSD-140 setTimeout - Angular conflict
Merge pull request #864 from vladnicoara/angular

LBSD-140 setTimeout - Angular conflict