Code was salvaged from !306

Fix 197: reset all reshaper settings before deriving new ones

See merge request jvet/VVCSoftware_VTM!316

Fix ticket #193 on not considering shared merge list in IBC merge list construction

See merge request jvet/VVCSoftware_VTM!312

Fix ticket #183: valgrind error in CU::isGBiIdxCoded

See merge request jvet/VVCSoftware_VTM!313

Fix ticket 194: problems when REUSE_CU_RESULTS==0

See merge request jvet/VVCSoftware_VTM!314

Fix #190: clear entire quantized coefficient buffer

See merge request jvet/VVCSoftware_VTM!315

Clear entire buffer to ensure all values in the buffer are valid
even though some values may lie outside the subset of coefficients
that is effectively coded

Issue 191: fix for DebugBitstream (caused by M0427 initializations)

See merge request jvet/VVCSoftware_VTM!308

Allow sending of parameter sets at every RAP

See merge request jvet/VVCSoftware_VTM!311

Merge functionality from HM (macro JCTVC_Y0038_PARAMS). Add an additional
configuration file parameter that allows re-sending parameter sets at every
random access point.

Reduce build time in VS Jenkins builds

See merge request !309

patch from issue191 (without macro)

add M0451 the interoperability syntax update

See merge request !307

Fix ticket #185 on compilation error with JVET_M0140_SBT when JVET_M0464_UNI_MTS is disabled

See merge request !305

add clipping in chroma residue scaling to avoid potential overflow

See merge request !301

Refactor: move compositeRefEnabled out of SPS

See merge request !303

Fix ticket #153 on using uninitialized interDir and GBI array

See merge request !304

Fix ticket #153 on using uninitialized interDir and GBI array when MaxNumMergeCand=1 and MMVD uses the second merge candidate as base MV.

compositeRefEnabled is an encoder only option. It should not be stored in the SPS.
This commit is the last to remove unused parameters from SPSNext. Thus also
all comments related to SPSNext are removed.

Update initial CABAC states based on retraining

See merge request jvet/VVCSoftware_VTM!299

Fix build

See merge request jvet/VVCSoftware_VTM!300

Started failing after merging !294

Proposed fix for ticket 164, including TU/CU get fixes of merge request 249

See merge request jvet/VVCSoftware_VTM!292

Fix of the size of extendRefList.

See merge request !296

remove deprecated IMV mode SPS parameter

See merge request jvet/VVCSoftware_VTM!294