Initial support for 4k.
Added missing display modes.
Updated the DeckLink API to compile using 4k* display modes.
Added missing files.
Removed files.
Merge branch 'master' of https://github.com/CasparCG/Server into 4k-support
Reverted default video mode to PAL
Merge pull request #93 from CasparCG/4k-support

Initial support for 4k.