JVET-R0107: Proposal 2 - VPS signaling change and updated inference rule

JVET-R0112: Picture header semantics cleanup for gdr_or_irap_flag

See merge request jvet/VVCSoftware_VTM!1629

JVET-R0188: signalling of slice width and height

See merge request jvet/VVCSoftware_VTM!1575

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

BitstreamExtractor: fix re-encapsulation of input NAL units getting written back to the bitstream

See merge request !1638

JVET-Q0488: Constraint on number of identical SEI messages per picture.

See merge request !1491

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

FixForEncoderSignallingNumDPBParams

See merge request !1632

Refactor: rename syntax elements in scalable nesting SEI as in JVET-R2001-v10

See merge request !1627

JVET-R0108 Proposal 1: DCI signaling changes

See merge request jvet/VVCSoftware_VTM!1610

- fixes other style issues as well

BitstreamExtractor: fixes for running the extractor on single layer streams and streams with no partitioning

See merge request jvet/VVCSoftware_VTM!1626

BitstreamExtractor: initialize slice map before intialization of subpictures

See merge request !1624

Fixes a crash.

JVET-R0214: MMVD syntax modifications

See merge request jvet/VVCSoftware_VTM!1622

JVET-Q0764: Wrap around with RPR

See merge request !1613

   - Fix formatting issue.

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

# Conflicts:
#	source/App/DecoderApp/DecApp.cpp
#	source/Lib/CommonLib/TypeDef.h
#	source/Lib/DecoderLib/DecLib.cpp
#	source/Lib/DecoderLib/DecLib.h

Fix for uninitialized VPS parameter

See merge request !1623

JVET-R0275: sps_ptl_dbp_hrd constraint

See merge request !1592

Fix for #1051: Rate control in current VTM does not work

See merge request jvet/VVCSoftware_VTM!1614

2. fix the wrong variables initialization in EncRCGOP::create()

JVET-R0413: HRD timing signalling update

See merge request jvet/VVCSoftware_VTM!1577