Slight change to the loader in that now the user can't scroll until we say so.
Merge pull request #18 from thnkloud9/master

reduce requests, make loading screen functions & vars
Merge branch 'master' of github.com:newscoop/theme-StoryTeller

Conflicts:
	assets/js/storyteller/StoryTellerClass.js

Use Mark's changes
Re-add loading stuff.
Change title deck to full html text for greater flexibility.
Change all video elements to preload none as per this post https://code.google.com/p/chromium/issues/detail?id=234779#c21 in am attempt to close the no available sockets problem.
Reduced size of intro deck to allow longer descriptions.
Just a little margin under the chapter title header to clean up the layout.
OK, I *think* I've changed the videos so that they don't have a src, changed to data-src and then it loads as source when they come into the viewport.
Load videos before playing.
As we've moved the lead images to a bgDiv for better fixed positioning we might as well hide the original sources. I may come back and use js to remove the elements entirely.