Set Alt+Ctrl as default modifier keys
Update README.md
Update README.md (again)
Merge branch 'develop'
Change default translations dir so test pages work
Fix button focus style
Override most defaults with data-* attribs
Update README.md
Add support for data-translation-path attrib
Update README.md
Add validation for data-* attributes
Fix WebVTT line feed bug
Fix WebVTT closing tag parser bug
Update build/ableplayer.js
Add cue settings list to caption file for testing
Add transcript support for audio, including Lyrics Mode
Fix external transcript container bug
Update examples index
Update YouTube support
Fix dialog not scrolling bug