Simplify code and rename variables to conform to guidelines.
Code simplification should result in fewer calls to
CodingStructure::getCURestricted().

- This merge request provides the implementation for JVET_O0299, i.e., Support for user defined Scaling List Matrics in the APS.

Remove unused parameters and remove default parameter values

- catch std::bad_alloc explicitly
- remove catch-all handler

 Deriving values for m_PPSDepQuantEnabledIdc, m_PPSSixMinusMaxNumMergeCandPlus1, m_PPSFiveMinusMaxNumSubblockMergeCandPlus1 and m_PPSMaxNumMergeCandMinusMaxNumTriangleCandPlus1 in EncAppCfg.cpp when these parameters are to be signaled in PPS.

 Added back the TMVPModeId config parameter. \n m_PPSTemporalMVPEnabledIdc is now set based on both TMVPModeId and PPSorSliceMode.

 Added back sps_temporal_mvp_enabled_flag to align with specification text in JVET-O2001-vE. \n This also means that sps_sbtmvp_enabled_flag can be signaled in SPS as before instead of in PPS.

This reverts commit 8e16ada0.

Patch provided by Nan Hu
Reduces LD chroma loss of JVET-O0491

- create ceilLog2() function based on floorLog2
- use intrinsics for MSVC in floorLog2
- replace all ceil(log2()) calls in HLS with ceilLog2()