Merge pull request #33 from thnkloud9/master

IM-1916: Behaviour of videos in article Type ST slide
IM-1947 : Change fonts for slideshow captions from italic to non-italic
Merge pull request #34 from aleksandarjelicic/master

IM-1947 : Change fonts for slideshow captions from italic to non-italic
Favicon added as per request.
IM-1949: Added poster images to video elements
IM-1949: Trying to get the poster image to add to the created video element
Working on getting the poster images working
Only have audio if the muted flag is set to false
Increase scope of mute button
Posters
Finally managed to lick the poster create on necessary elements.
IM-1889: Don't display video behind a table in a chapter title.
Ladies and gentlemen, for our collective sanity we are moving to LESS. I will be gradually moving all of the styles over to the new format in the hope of making the code more readable and maintainable.
Changed all 100% background sizes to cover.