LB-31: Internationalization dust plugin crash

for embed.
LB-421: Create embed theme for STT

removed space and sdtageswoche
LB-422: Embed - show user avatar on post

Added for stt.
LB-422: Embed - show user avatar on post

Fixed tageswoche theme.
LB-350 : Blog source UI
LB-447 : Change default username from Janet > admin
LB-438 : Collaborator users don't have access to upload media
Squashed commit of the following:

LB-356 : Add Facebook as a social source
LB-385 : Add/edit blog provider - design

'sources' replaced with 'providers'
NR-904 : Please let search enable to filter Author column
LB-350: Blog source UI

sync the resource insted of test reset
LB-350: Blog source UI

fixed sources from chained blog.
LB-350 : Blog source UI
Merge branch 'devel' of git://github.com/sourcefabric/Superdesk into devel
LB-377: Redesign the sources tabs

fixed.
LB-443: Can't publish post after receiving error

fixed.
NR-943 : Switch article edit page navigation on Backbone.Router

fixed
LB-356 : Add Facebook as a social source

Quick fix
LB-459 : Internal error happens when try to remove obsolete files from Media Archive
LB-195: Reordering in AdminUI and Embed URL is messed up

fixed for embed.