LB-1079 : Infinite "loading" state indicator

Fixed
LB-1435: Twitter, flickr, instagram, soundcloud and SMS sections sometimes not loading

Fixed
Merge pull request #123 from vladnicoara/master

LB-1435: Twitter, flickr, instagram, soundcloud and SMS sections sometim...
Merge pull request #121 from nidzix/master

LB-1079 : Infinite "loading" state indicator
Update start.html