Merge pull request #114 from SenecaCDOT-BigBlueButton/swap-playback-pres-video

.../presentation/acornmediaplayer/jquery.acornmediaplayer.js

...ion/acornmediaplayer/themes/darkglass/acorn.darkglass.css

...tion/acornmediaplayer/themes/darkglass/darkglass-swap.png

...layback/presentation/playback/presentation/lib/writing.js

...playback/presentation/playback/presentation/playback.html

...d-playback/presentation/playback/presentation/playback.js