Fix: check if APS used by CC ALF is available at the decoder

See merge request jvet/VVCSoftware_VTM!1681

Fix #1117: potential encoder/decoder mismatch

See merge request !1680

fix a condition under which the encoder could write a syntax element
which would not be present at the decoder

JVET-R0041: Picture types related constraints

See merge request jvet/VVCSoftware_VTM!1676

Bugfix #1108 constraints failing in multi-layer coding

See merge request !1673

Bugfix #1115 checkRPL() fetches incorrect inter-layer refrence pictures

See merge request !1677

Fix #1112: crash when decoder encounters repeated VPS

See merge request jvet/VVCSoftware_VTM!1672

Add entropy_coding_synchronization.cfg

See merge request !1671

Ticket #1089: HRD signalling bug fixes

See merge request !1656

Fix Ticket #1092 on partitioning signalling in encoder

See merge request jvet/VVCSoftware_VTM!1657

Fix a bug when ENABLE_SPLIT_PARALLELISM is equal to 1 for JVET-R0064

See merge request jvet/VVCSoftware_VTM!1658

Fix copy/paste error in cfg parsing

See merge request !1655

Fix to signal bitrate and CPB size in HRD parameters
Fix to make sure the PT SEI is generated for every picture

JVET-R0185: Updating signalling related to OLS DPB parameters in VPS

Bug fix for MR !1634

See merge request jvet/VVCSoftware_VTM!1651

Retrained CABAC initial values

See merge request jvet/VVCSoftware_VTM!1654

Retrained on CTC bitstreams generated with VTM 9.0rc1

store sub-picture numbers, sizes, and locations with a picture, so that they can be fetched directly from redPic