mvsfunc-r7

Depth: now prefer fmtc.bitdepth for full range content
Depth, ToRGB, ToYUV, BM3D, zDepth: new argument "prefer_props"
ToRGB: new argument "compat" to support CompatBGR32 output
_EXPERIMENTAL_ Added Utility function CheckMatrix()
Added Utility function postfix2infix()
Added Helper function GrayScale()
Added Helper function Preview()