LB-692: Stt issues

fixed.
Merge pull request #150 from nistormihai/master

LB-692: Stt issues
LB-700 : STT embed theme > styling issues

Fixed
Merge pull request #156 from nidzix/stt-embed-styling

LB-700 : STT embed theme > styling issues
Merge remote-tracking branch 'sourcefabric/master' into devel

Conflicts:
	plugins/livedesk-embed/gui-resources/scripts/js/concat.min.js
	plugins/livedesk-embed/gui-themes/themes/stt.min.js