- 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 !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)

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

See merge request !449

JVET-N0235 bugfix

See merge request !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

JVET-N0843 BV simplification

See merge request jvet/VVCSoftware_VTM!442

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

See merge request jvet/VVCSoftware_VTM!429

JVET-N0383/N0251: bug fix for ibc referring to collocated VPDU in left CTU

See merge request jvet/VVCSoftware_VTM!427

Fix encoding crash in JVET-N0329 integration

See merge request jvet/VVCSoftware_VTM!435

JVET_N0318_N0467_IBC_SIZE

See merge request jvet/VVCSoftware_VTM!431

JVET-N0363: Modified cost criterion for intra encoder mode decision

See merge request jvet/VVCSoftware_VTM!418

Merge branch 'IBC-SMALL-CTU' of https://vcgit.hhi.fraunhofer.de/xiaozhongxu/VVCSoftware_VTM into IBC-SMALL-CTU

Implicitly infer the number of MMVD base merge candidate to be 1 as MaxNumMergeCand being equal to 1, and mmvd_merge_flag is not signalled in this case.

N0462: Fix context modeling of inter_pred_idc

See merge request jvet/VVCSoftware_VTM!428