Lossless Compression updates for all Digic 5 cameras
Created originally on Bitbucket by daniel_fort (Daniel Fort)
Changesets for this Pull Request have not been imported, because it had been already declined on Bitbucket. Marked as closed by the import user.
Includes 6D and 70D lossless compression.
https://www.magiclantern.fm/forum/index.php?topic=18443.msg197999#msg197999
Supersedes PR #875 (closed) - crop_rec_4k for the 6D.116.