LB-819: On timeline all posts are 2h before CET

Set required date format for timeline.
LB-935: Soundcloud posts are not dropped smoothly to timeline

Fixed
LB-1019: In twitter search, "Show more results" produces the same results over and over again

Fixed
Merge pull request #333 from vladnicoara/twitter-pagination-broken

LB-1019: In twitter search, "Show more results" produces the same result...
Merge pull request #330 from vladnicoara/soundcloud-dragging-2

LB-935: Soundcloud posts are not dropped smoothly to timeline
Merge pull request #329 from petrjasek/lb-819-set-date-format

Lb 819 set date format
LB-1012: Localize the commentator word that appear on the user name for user comments post type

if commentator keyword is in the AuthorName clears it
and added the internationalization keyword in comments.dust.
Merge pull request #343 from nistormihai/liveblog-15

LB-1012: Localize the commentator word that appear on the user name for ...