JVET-P0329: simplify planar prediction by comparison removal

See merge request jvet/VVCSoftware_VTM!1019

JVET-P0164: Simplified ALF syntax regarding to alf_luma_coeff_signalled_flag and alf_luma_coeff_flag

See merge request jvet/VVCSoftware_VTM!1013

# Conflicts:
#   source/Lib/CommonLib/TypeDef.h

JVET-P0042: Fix InterDir Ctx

See merge request jvet/VVCSoftware_VTM!1010

# Conflicts:
#   source/Lib/CommonLib/TypeDef.h

JVET-P0111: bugfix for Chroma 422 intra mode mapping

See merge request jvet/VVCSoftware_VTM!1017

JVET-P0418: MLRP Line Idx

See merge request jvet/VVCSoftware_VTM!1011

  - Align MLRP with CCLM in terms of reference lines/columns.

  - Fix overlap in context between the bi-pred flag for 8x8 CUs and the L0/L1 flag for all size CUs.

Remove JVET-O macros and some older ones too

See merge request jvet/VVCSoftware_VTM!1002

Fix detection of lost reference picture on list 1 after !985

See merge request jvet/VVCSoftware_VTM!992

removed trailing whitespaces

See merge request jvet/VVCSoftware_VTM!996

fix parcat after recent HLS integrations

See merge request jvet/VVCSoftware_VTM!990

Silence valgrind warnings

See merge request jvet/VVCSoftware_VTM!994

Reduce the amount of data being loaded to the strict minimum

- slice header syntax
- NAL unit header in parcat
- NAL unit type numbers being redefined

Fix detection of lost reference picture and marking of long term reference picture for list1 after !985

Fix encapsulation of HEVC_SEI macro

See merge request jvet/VVCSoftware_VTM!991

Fix non_reference_picture_flag writing

See merge request jvet/VVCSoftware_VTM!988

Fix activation of ALF APS

See merge request jvet/VVCSoftware_VTM!989