LB-1853: Live Blog instance for Sourcefabric

Added scroll-pagination plugin.
Fixed permanent-link plugin issue with imbricated html.
Rebuild core.min.js to include permanent-link changes.
Build.bat added sf-internal theme, change default Xss to 100m instead of
128m witch is causeing issues.
Merge pull request #793 from nistormihai/master

LB-1853: Live Blog instance for Sourcefabric