Refactor: align sps_fpel_mmvd_enabled_flag with spec text

See merge request jvet/VVCSoftware_VTM!459

JVET-N0671: Support of 4:4:4 and 4:2:2 chroma formats in VVC

See merge request jvet/VVCSoftware_VTM!443

N0196: Use six tap filter for affine motion compensation

See merge request jvet/VVCSoftware_VTM!454

Enable repetition of parameter sets in CTC configs

See merge request jvet/VVCSoftware_VTM!457

JVET-N0280: residual coding for transform skip

See merge request jvet/VVCSoftware_VTM!439

Merge branch 'N0280-ResidualCodingTransformSkip' of https://vcgit.hhi.fraunhofer.de/nguyen/VVCSoftware_VTM into N0280-ResidualCodingTransformSkip

- also adds documentation for ReWriteParamSets parameter

Intra-prediction clean-up requested by Ben and discussed at the meeting in Geneva

See merge request jvet/VVCSoftware_VTM!432

JVET-N0103: Coefficient group size harmonization

See merge request jvet/VVCSoftware_VTM!452

- Harmonize coefficient group sizes of chroma TBs to those used in luma TBs
- For 2x4/4x2 chroma TBs, retain 2x2 CG size.

JVET-N0146/N0162/N0442/N0153/N0262/N0440/N0086: applicable condition of DMVR and BDOF (Variable names are changed in WeightedPrediction.cpp)

# Conflicts:
#	source/Lib/CommonLib/TypeDef.h

JVET-N0470, SMVD RefIdxSymLX derivation, aligned software to spec text.

See merge request !449

JVET-N0235 bugfix

See merge request jvet/VVCSoftware_VTM!448

JVET-N0407: Disable 4xN/8x8 CUs for DMVR.

See merge request !447

JVET-N0266: remove 4x4 uni-pred, 4x8/8x4 bi-pred from regular inter modes.

See merge request !446

JVET-N0235: Added smvd flag in SPS

See merge request jvet/VVCSoftware_VTM!444

# Conflicts:
#	source/Lib/CommonLib/TypeDef.h

JVET-N0843 BV simplification

See merge request !442

JVET-N0175/N0251/N0384: Re-arrange IBC search range for small CTU sizes

See merge request !429