JVET-O0070: Prediction refinement with optical flow for affine mode (PROF)

See merge request !771

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

Fix end of file

See merge request !775

JVET-O1170: IBC virtual buffer

See merge request !750

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

Define global FRAC_BITS_SCALE constant to replace local ones

See merge request !769

JVET-O0545: Configurable maximum transform size

See merge request !686

2. add handling of JVET_O0108_DIS_DMVR_BDOF_CIIP when PROF is enabled

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

JVET-O1153: intra chroma mode coding simplification

See merge request jvet/VVCSoftware_VTM!766

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

JVET-O0213: Block size restriction of LFNST to maximum transform size

See merge request jvet/VVCSoftware_VTM!765

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

JVET-O0244: weighted prediction in SPS and delta POC for reference pictures

See merge request jvet/VVCSoftware_VTM!761

JVET-O0060 4x4 deblocking

See merge request jvet/VVCSoftware_VTM!751

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

JVET-O0263/O0220-method 2: Syntax cleanup on subblock merge

See merge request jvet/VVCSoftware_VTM!748

JVET-O0057: Switchable interpolation filter

See merge request jvet/VVCSoftware_VTM!732

JVET-O0249: merge syntax change

See merge request jvet/VVCSoftware_VTM!745

- Macro: JVET_O0213_RESTRICT_LFNST_TO_MAX_TB_SIZE
- Restriction of LFNST to be applied up-to max. TB size

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

fix missed syntax change in xCalcPuMeBits