JVET-N0353: Idependent parsing of Buffering Period and Timing Information SEIs

See merge request !913

JVET-N0865: GDR syntax implementation

See merge request !908

Cleanup dead methods declaration

See merge request !912

remove SEIs that are not in the VVC specifications using a macro

See merge request !906

Fix compiler issues when ENABLE_SPLIT_PARALLELISM is enabled

See merge request !905

Fully remove log2_max_transform_skip_block_size_minus2 from PPS extension after !901

See merge request !904

Fix VTM ticket #474 for signaling the PPS syntax element log2_transform_skip_max_size_minus2

See merge request !901

check TemporalSubsampleRatio before using it in division

See merge request !902

Ticket #496 (Bugfix on DC value check for ScalingList::checkPredMode())

See merge request !900

Remove unused function

See merge request jvet/VVCSoftware_VTM!898

Disable unused fields and function

See merge request !899

Clean up availability functions in intra prediction

See merge request !897

Simplify code and rename variables to conform to guidelines.
Code simplification should result in fewer calls to
CodingStructure::getCURestricted().

JVET-O0299: Support for user defined Scaling List Matrices in the APS

See merge request !884

JVET-O0238 Parameters in PPS or slice headers (merge request 2)

See merge request !835

JVET-N0100  proposal 1: allow signaling long-term ref picture POC LSB in ref picture list

See merge request !870

Clean up TrQuant class and its init() method

See merge request !895

Clean up: remove unused constants

See merge request !896

- This merge request provides the implementation for JVET_O0299, i.e., Support for user defined Scaling List Matrics in the APS.

Remove unused parameters and remove default parameter values