JVET-P0894: Added profiles as described in JVET-P2001-E

See merge request !1221

#812 fix use-after-free bug when storing APS

See merge request !1223

Store will delete aps pointer if it was already stored (and did not
changed), resulting in UAF bug when checking type of pointer.

Software manual updates

See merge request jvet/VVCSoftware_VTM!1217

Update copyright header to include 2020

See merge request !1222

Added main_10 and main_444_10 profiles, and removed old profiles.
Use 'auto' to automatically select (changed default of cfg files).
Use 'none' to produce non-conforming bitstreams.

Also added a structure that describes the features of each
profile/level/tier, should be added as further constraint checks added.

- from software manual
- unused parameter from decoder

Align VUI with specification and clean up SW manual

See merge request jvet/VVCSoftware_VTM!1220

- fixes missing/wrong syntax
- adds example config files for VUI
- Align software manual with software conditions, removed VUI parameters are removed in !1217

JVET-P0597: Generalized cubemap projection SEI message

See merge request jvet/VVCSoftware_VTM!1218

update readme file to clarify purpose of VTM software and clarify status of MSYS2 build

See merge request jvet/VVCSoftware_VTM!1216

Add compliance check for coeff_delta_idx in ALF #798

See merge request jvet/VVCSoftware_VTM!1214

Improvements on technical debt

See merge request jvet/VVCSoftware_VTM!1215

- compile fix for clang/macOS
- remove unused parameters
- fixes for the software manual

Fix for #788: chroma QP for remote CU is wrong if the remote CU is local dual-tree

See merge request jvet/VVCSoftware_VTM!1198

Fix #799: Fix uninitialized DC for predicted scaling list when scaling_list_pred_id_delta equal to 0

See merge request jvet/VVCSoftware_VTM!1211

JVET-P0184 : Decoding process for generating unavailable reference pictures

See merge request jvet/VVCSoftware_VTM!1210

fixed field coding and added cfg/field/x.cfg

See merge request jvet/VVCSoftware_VTM!1147

Add cfg parameters for SPS subpicture syntax

See merge request jvet/VVCSoftware_VTM!1203

Fix reconstruction file creation when VPS is send with vps_max_layers_minus1 = 0

See merge request jvet/VVCSoftware_VTM!1207

Change "Author(s)" to  "Editors" in software manual

See merge request jvet/VVCSoftware_VTM!1213

Modified software manual related to ALF: remove SliceLevelAlf and add ALF

See merge request jvet/VVCSoftware_VTM!1212