VID-1968 Clean up getEmbed part of videoHandler interface
Fix doc of WikiaLocalFileShared::getEmbedCode per @garthwebb
VID-1968 Make options containing optional options optional
/CC @garthwebb
VID-1930 Added new translations
VID-1930 Added qqq notes
Merge pull request #4654 from Wikia/VID-1968

VID-1968 Clean up getEmbed part of videoHandler interface
Merge branch 'dev' into VideoSprint56