Remove sphinx install
Travis improvements
Merge pull request #83 from GrahamCampbell/travis

Travis Improvements
Update travis icon
Update Travis icon
Remove unreachable code
Remove unreachable code
Merge branch '0.4'
Support for Wav and Aac audio encoding
Merge pull request #95 from MrHash/master

Support for Wav and Aac audio encoding
Update changelog
Remove todos
Added configuration for audio channels
Add build on HHVM