Merge pull request #7 from thnkloud9/master

fix bug with ambient audio updating
Merge pull request #8 from thnkloud9/master

fix audio so that it only plays while audio element is visable in viewpo...
Better fullscreen map detection and display.
Commented out logging to allow for more reliable testing in other browsers
Second small audio file to show testing.
More ambient audio files added to the fullscreen shutter slideshow to allow for testing
Custom fonts
New case for chapter heading identified.
Typography css
Fonts import
Better underlines for links
Nicer H2 background
Chapter title
Makes more sense to move the class to the parent element rather than the object being manipulated in the masthead with static image as per the other elements such as the chapter title.
Cleaning up the blockquote paragraphs and the figure image displays
Removed unused position
Improved the styles of the fig caption paragraphs and headers.
Cleaning up the canvas element
Adding test text to the fullscreen map page
Adding test text to the fullscreen map.