store sub-picture numbers, sizes, and locations with a picture, so that they can be fetched directly from redPic

2. fix the wrong variables initialization in EncRCGOP::create()

   - Move wrap around offset from SPS to PPS.
   - Disable wrap around for any reference pictures that require RPR scaling.

JVET-R0059 aspect 2: Skip the signalling of the ltrp_in_header_flag[ listIdx ][ rplsIdx ] syntax element when the syntax strucure is directly included in the PH or SH instead of in the SPS

fixes for layerId setting in the scaled reference pictures, setting of PPS id, and RPL construction with ILRP