Fix #1419: apply reference pic marking before getting a new pic buffer

See merge request !1970

Fix #1411: Decoder crash when decoding a CRA picture following an EOS

See merge request !1969

Fix handling of suffix APS NAL units in RASL skipped pictures.

See merge request !1975

Fix #1438: Decoder crashes when decoding multi-layer bitstream

See merge request !1976

Fix handling of suffix APS NAL units

See merge request !1971

Fix #1442: Fix for PTL signalling in VPS

See merge request !1974

Fix #1439: GOP32 configuration for larger intra periods

See merge request !1973

Fix memory allocation when decoding a stream changing bitdepth between CVS

See merge request !1972

This issue might cause a segmentation fault.

JVET-T0053: Adding support for Annotated Regions SEI message

See merge request !1932

Fix access to data that might be deleted

See merge request !1968

Fix #1422: dpb parameters inference when subLayerInfoFlag = 0

See merge request !1967

PPS data in reference pictures are deleted if a PPS with the same
PPS_id have been sent, and the access to getMixedNaluTypesInPicFlag() is
not valid any more.

JVET-R0264: IRAP constraint

Fix for ticket #1429: Temporal Filter does not work with field coding

See merge request jvet/VVCSoftware_VTM!1965

Add support for pps_single_slice_per_subpic_flag in subpicMergeApp

See merge request !1963

Remove duplication of temporal filter parameters

See merge request jvet/VVCSoftware_VTM!1964

Clean up after !1885 to avoid unnecessary processing

See merge request jvet/VVCSoftware_VTM!1962