Map "hevc" to the rawvideo type
Enable rawvideo by default
Redefine H264 DTS pin info flag to be more generic (for HEVC support)
Set Only-DTS flag for rawvideo
Set Only-DTS flag for HEVC in AVI
Unify "Source sends DTS" conditions
Add two additional DV FourCCs (for Canopus)
Add an option to set the index of the GPU to be used for HW decoding

Fixes issue 376.
Update ffmpeg
Update changelog and version
Update developer_info
Pretify ffmpeg build options
Update ffmpeg for a mov/aac decoding regression
Update version and changelog
Merge remote-tracking branch 'origin/master'

Conflicts:
	ffmpeg