Attempt to resolve conflicts with ENABLE_QPA_SUB_CTU but finally make it mutually exclusive with JVET_M0113_M0188_QG_SIZE (to be fixed later)

Cleanup dead declarations

See merge request !378

Fix call to std::min function

See merge request !372

TCoeff is not always an int. Using the TCoeff type as template parameter
is preferred.

Bug fix: Initiliaze cu alf flags only for first slice of the picture

See merge request jvet/VVCSoftware_VTM!375

Bug fix for M0451: initialize constraint flags at encoder

See merge request !370

Fix typo in error message

See merge request !374

Cleanup unmaintained code

See merge request !373

Obsolete code relying on dead code like g_aiT64 array.

Cleanup dead code

See merge request !371

A substantial coding loss is observed in CTC starting at commit
c52f46f0 (!362) which relates to
M0445. Fastest fix is to disable the feature

fix HDR luma dQP to support bitdepth other than 10 bit

See merge request jvet/VVCSoftware_VTM!364

Refactoring of HPMV (history based marge candidates), moving the LUTs from Slice to CodingStructure

See merge request !352

JVET-M0111: disable GBI signalling when WP is enabled

See merge request !351

Fix for Ticket #210: M0147 DMVR interpolation filter incorrect for bit depth != 10

See merge request !343

DMVR bug fix when wrap around MC is enabled

See merge request !340

Fix build when JVET_M0147_DMVR is disabled

See merge request !368

JVET_M0864_2D_CACHE_MODEL

See merge request !360

Fix #218: take DMVR offset into account for MCTS

See merge request !362

Cleanup dead member and related methods

See merge request !361

- add new cache model
- fix the order of initilization in DecLib.cpp

fix ticket #217 misalignment on MRG_MAX_NUM_CANDS

See merge request !359