JVET-W0178: Bitsream constraints on RExt tools for low bit-depth

See merge request jvet/VVCSoftware_VTM!2098

Fix memory leak after !2081

See merge request jvet/VVCSoftware_VTM!2103

fix #1496: add missing condition on cu height

See merge request jvet/VVCSoftware_VTM!2102

Fix segmentation fault when calling xCreateUnavailablePicture() on RPL1

See merge request jvet/VVCSoftware_VTM!2101

Fix high bit depth support after !2081 (JVET-V0108)

See merge request jvet/VVCSoftware_VTM!2100

JVET-W0129: change default encoder cfg: enable using true original samples for ALF

See merge request jvet/VVCSoftware_VTM!2094

Change default encoder cfg: enable using true original samples for ALF optimization, disable using true original samples for SAO optimization

JVET-W0043: Alignment of smooth block QP control with adaptive QP in VTM

See merge request jvet/VVCSoftware_VTM!2093

JVET_W0070_W0121_SPSRE_CLEANUP: Condition the signaling of sps_ts_residual_coding_rice_present_in_sh_flag on...

See merge request jvet/VVCSoftware_VTM!2097

JVET-W0134 Uniform metrics log

See merge request jvet/VVCSoftware_VTM!2091

Condition the signaling of sps_ts_residual_coding_rice_present_in_sh_flag on the TransformSkip SPS flag
(JVET-W0070 Proposal 3 & JVET-W0121 Option 1)

Remove macros from previous meeting cycle

See merge request !2092

Fix #1490:  Some pictures are not output when bitstream has mixed NALUs with CRA subpicture

See merge request !2083