LB-1442: As blog admin I want to be able to change the SEO related settings

Added interface for the changes made by Nelu
LB-1442: As blog admin I want to be able to chenge the SEO related settings

added 'my' on post request for new seo item
LB-1079: Infinite "loading" state indicator

Fix fir the start page issue
Merge pull request #631 from vladnicoara/liveblog16

LB-1079: Infinite "loading" state indicator
LB-1442: As blog admin I want to be able to change the SEO related settings

removed test data and fixed an indenting issue
Merge pull request #630 from vladnicoara/liveblog16-seo

LB-1442: As blog admin I want to be able to change the SEO related settings
Merge pull request #632 from nidzix/liveblog16

Liveblog themes update
LB-1454: Change css of Rheinische Post live blog theme

Liveblog themes update
Merge pull request #633 from nistormihai/liveblog16_clean

LB-1454: Change css of Rheinische Post live blog theme
LB-1468: Image upload breaks after first image

fixed
Merge pull request #634 from vladnicoara/liveblog16-mediaarchive

LB-1468: Image upload breaks after first image
Update liveblog default theme
Merge remote-tracking branch 'sourcefabric/liveblog16' into liveblog16