Merge pull request #616 from ioanpocol/liveblog16

LB-1442 : As blog admin I want to be able to change the SEO related chan...
LB-1357 : Check stt-related themes

Add header advertisement on sasa-ligth
LB-1440 : CSS is missing

cnm theme update
LB-1440 : CSS is missing

okfn theme update
LB-1440 : CSS is missing

User comment form fix on CNM theme
Merge pull request #617 from nidzix/liveblog16

LIveblog themes update
Merge pull request #620 from ioanpocol/liveblog16

LB-1374