LB-916 : Live Blog general redesign

HTML changes to follow styles
Merge pull request #318 from petrjasek/lb-885-save-blog-config-error

Lb 885 save blog config error
Merge pull request #307 from nidzix/liveblog-15

Live Blog general redesign
LB-980: Wrong author in timeline

Removed AuthorName from timeline.

Conflicts:
	plugins/livedesk/gui-resources/templates/items/implementors/timeline.dust
Merge pull request #321 from nistormihai/liveblog-15

LB-980: Wrong author in timeline
LB-819: On timeline all posts are 2h before CET

Add userdate filter to twitter times.
LB-931: Delete the 'tweet' button above the timeline

Remove the button.