LB-784: Update Facebook source

Starting to take shape
LB-784: Update Facebook source

Done
LB-784: Update Facebook source

Pagination fix for comments
LB-799: Config blog - user switch can't be changed from off position:

Fixed.
LB-774: Twitter button above timeline seems pointless / security issue:

Fixed tweet url.
LB-745: Twitter autoupdate should be disabled before "Search" edit box becomes visible

Hide icon and display it on render.
Merge pull request #226 from vladnicoara/facebook-api-change

Facebook api change
Merge pull request #227 from eozan/LB-799

LB-799: Config blog - user switch can't be changed from off position:
Merge pull request #233 from eozan/LB-774

LB-774: Twitter button above timeline seems pointless / security issue:
Merge pull request #235 from petrjasek/lb-745-twitter-hide-icon

LB-745: Twitter autoupdate should be disabled before "Search" edit box b...
Fixed upgrade scripts
Fix for upgrade scripts
LB-802: application.py execution fails
* fixed in the superdesk part
Merge pull request #245 from msat-cont/lb-802-debug-execution

LB-802: application.py execution fails
Merge remote-tracking branch 'sourcefabric/devel' into liveblog-15
Builded themes.

For production mode.
Merge pull request #248 from nistormihai/liveblog-15

Builded themes.
LB-841: After a chained blog was on autopublish mode it can't be deselected as chained blog
* fixed
Merge pull request #249 from msat-cont/lb-841-deselect-on-off-auto-pub-chained

LB-841: After a chained blog was on autopublish mode it can't be deselected as chained blog
Builded themes