Merged video and audio multimedia player examples and cleaned up validation errors.
Merge pull request #1937 from pjackson28/v3.0

Merged video and audio multimedia player examples and cleaned up validation errors
Resolved merge conflicts.
Fixed language links in multimedia player working examples.
Merge branch 'master' of https://github.com/wet-boew/wet-boew into v3.1-broken-link-fixes

Conflicts:
	demos/multimedia/multimedia-audio-eng.html
	demos/multimedia/multimedia-audio-fra.html