GPII-162: Focus styling for demo content and panel bar
GPII-162: Focus styling for demo content and panel bar
GPII-162: Focus on prev/next
GPII-162: Focus styling tweaks and theming
GPII-162: Replaced theming for focus with fl-focus on body
GPII-162: Fixes safari text-overlap issue on text labels
Merge branch 'master' into GPII-162

Conflicts:
	src/discoveryTool/css/DiscoveryTool.css
Merge branch 'master' into GPII-162

Conflicts:
	demos/discoveryTool/demo.css
GPII-162: Fixed merge error
GPII-176: Removed inline style for Orbitals diagram width. This should cause the diagrams to wrap at the edge of the page.
GPII-179: Fixed styling issues with IE8 caused by the fact that IE8 doesn't support html5 tags.
GPII-176: Fixed an issue where orbital images were too small when using a non-default theme.
GPII-179: Fixed the IE8 image scaling issue.
GPII-179: Added in PNG fall back to solve the problem that SVGs are not showed in IE8.
GPII-162: Reworked focus on prefs for themes
GPII-162: Reworked focus on prefs for themes
GPII-183: Adding the buzz audio framework

Buzz is MIT licensed and will be used by the SelfVoicingEnactor for the audio playback.
GPII-183: Updated tts enactor to use buzz

Using the buzz html5 audio framework for the tts enactor. Also, removed the tts enactor from the iFrame as it should only be enabled in the main page.
Merge branch 'master' into GPII-162
GPII-183: Removes tts when not supported

Added in the progressive enhancement check to remove the TTS enactors and panels when it is not supported.