JVET-S0203 Aspects 1 and 2: Reverse loop over layers

See merge request !1815

JVET-S0176: On the subpicture level information SEI message

See merge request jvet/VVCSoftware_VTM!1749

JVET-R0294: Allow decoded picture hash SEI messages to be nested in subpicture context

See merge request !1784

JVET-S0193: Move no_output_of_prior_pics_flag from PH to SH

See merge request !1781

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

Fix for !1793 (JVET-R0270): Considering CRA that is preceded by EOS

See merge request !1806

Fix parsing of APS after !1795

See merge request !1808

Check that reference index is in 0..15 range before checking for scaling

See merge request !1807

JVET-S0219 aspect2 : Change the order aps_params_type to place before aps_adaptation_parameter_set_id

See merge request !1795

Fix #1155: Remove duplicate conditions in deblocking

See merge request !1799

Fix #1141: Valid range check for sps_max_num_merge_cand_minus_max_num_gpm_cand

See merge request !1800

Fix #1143: Fix slice address range check

See merge request !1801

Cleanup weighted predition related code

See merge request jvet/VVCSoftware_VTM!1803

Cleanup configuration of SbTMVP

See merge request !1805

Add range check for max_dec_pic_buffering_minus1 in encoder

See merge request !1802

Also fixes #738

Fix #1078: Use slice DQ flag to determine lambda

See merge request jvet/VVCSoftware_VTM!1804

- Rename members of WPScalingParam to conform to guidelines
- Avoid casts from const to non-const types
- Modify getWpScaling function to handle case where the reference
  index is negative (see #733)
- Add helper function isWeighted to determine whether weighting
  parameters are present for any colour component
- Fix some indentation issues

Fix #1054: Each GCI field has a config file option, default value is not constrained

See merge request !1745

Fix #1263: coding of max_dec_pic_buffering_minus1

See merge request !1796

Fix #1175: Initialize member variables to default values

See merge request !1798

JVET-R0270: Handling PictureOutputFlag for RASL picture

See merge request !1793

Max DPB size computation

See merge request !1797

Remove debug printf statement from recent integration

See merge request !1791

Fix #1185: assign CCALF parameters to all slices

See merge request !1790