integration of JVET-L0338 test5.4.1 and JVET-L0340 test5.6.1

JVET-L0628: 4-tap intra interpolation filtering

See merge request jvet/VVCSoftware_VTM!20

minor encoder fix for filter RD cost related to JVET_L0664_ALF_REMOVE_LUMA_5x5

See merge request !23

JVET-L0646: Generalized bi-prediction (GBi)

See merge request !9

JVET-L0090: Add pairwise average candidates, replace HEVC combined candidates

See merge request jvet/VVCSoftware_VTM!5

L0274 integration

See merge request !8

JVET L0093: Partial merge pruning in HEVC

See merge request !4

Merge branch 'L0274-integration' of https://vcgit.hhi.fraunhofer.de/schwarz/VVCSoftware_VTM into L0274-integration

pre-calculating size and position dependent parameters; this change
yields exacatly the same bitstreams

number of regular coded bins", version CE-7.1.3b (with modified
binarization), including restrictions for chroma 2x2 subblocks.

Merge branch 'JVET-L0191' of https://vcgit.hhi.fraunhofer.de/guillaume.laroche/VVCSoftware_VTM into JVET-L0191

Merge branch 'JVET-L0191' of https://vcgit.hhi.fraunhofer.de/guillaume.laroche/VVCSoftware_VTM into JVET-L0191

Merge branch 'JVET-L0191' of https://vcgit.hhi.fraunhofer.de/guillaume.laroche/VVCSoftware_VTM into JVET-L0191

JVET_L0392_ALF_INIT_STATE: bug fix of initial context state for ALF ctb enable flag

See merge request !16

JVET_L0664: remove 5x5 ALF for luma component

See merge request !13

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

JVET_L0664: remove 5x5 ALF for luma component

JVET_L0082: modify the comment

See merge request !14

JVET_L0664: remove 5x5 ALF for luma component

JVET_L0082 : ALF filter coefficient bitwidth with 10-bit constraint

See merge request !3