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
Merge pull request #237 from sourcefabric/liveblog-15

Merge fixes from liveblog-15 branch