Fixed a broken markdown link

Fixed the link to caption formatting techniques.
Add support for writing aria-* and role attributes to elements.

Signed-off-by: Greg Kraus <gdkraus@ncsu.edu>
Show keyboard focus on UI elements for keyboard-only users

Signed-off-by: Greg Kraus <gdkraus@ncsu.edu>
Change the creation order of the control UI elements to make the tab order more intuitive

Signed-off-by: Greg Kraus <gdkraus@ncsu.edu>
Add a label for the big play button to aid screen reader users

Signed-off-by: Greg Kraus <gdkraus@ncsu.edu>
Change the button text when the button state is toggled, and indicate to screen reader users that the text may change

Signed-off-by: Greg Kraus <gdkraus@ncsu.edu>
Provide additional information for screen reader users on the status of the volume bar diff --git a/src/js/controls.js b/src/js/controls.js

index 2d5ad21..bb050b9 100644

Signed-off-by: Greg Kraus <gdkraus@ncsu.edu>
Provide more information to screen reader users about the progress bar, current time, and time remaining diff --git a/src/js/controls.js b/src/js/controls.js

index bb050b9..504913c 100644

Signed-off-by: Greg Kraus <gdkraus@ncsu.edu>
Adjust the font size of the text tracks to make them proportionally larger when switching to fullscreen mode

Signed-off-by: Greg Kraus <gdkraus@ncsu.edu>
Fix bug with getting the ID of the track

Signed-off-by: Greg Kraus <gdkraus@ncsu.edu>
Make the caption, subtitle, and chapter buttons more usable by screen reader users diff --git a/src/css/video-js.css b/src/css/video-js.css

index daa7080..4ed6ea2 100644

Signed-off-by: Greg Kraus <gdkraus@ncsu.edu>
313 Save all video tag attributes while moving media element in DOM
315 Fullscreen button CSS rules for webkit and Firefox added
Changed V to vjs
Changed 'createElement' method to 'createEl'
Adds (removes) 'vjs-fullscreen' class on fullscreenchange event fixes #315
Fix poster component visibility
Fix volume handler initial position
Added code to replace Windows-style backslashes with Unix-style
forward-slashes

testing:
grunt successful
grunt test successful
Merge branch 'master' into 291-accessibility. Updating to the latest upstream code