Fix for Visual Studio compiler warnings and errors when JVET_R0351_HIGH_BIT_DEPTH_ENABLED is enabled

Fix the prefix problem of some variables names; change the macro from ACT_LMCS_FIX to JVET_S0234_ACT_CRS_FIX.

JVET-S0186: VPS cleanup - move 2 syntax elements, sps_chroma_format_idc and sps_log2_ctu_size_minus5, to take the place of sps_reserved_zero_4bits.

VUI modifications including VUI length, moving two flags from GCI to
VUI, reordering VUI variables to follow syntax elements

Constraint that no subpicture can be outside the conformance cropping
window + rewrite the conformance cropping window when extracting a
subpicture

symbol is overwritten when reading gci_reserved_zero_bit

JVET-S0248 Aspect7: When bp_alt_cpb_params_present_flag is equal to 1, the value of bp_du_hrd_params_present_flag shall be equal to 0