StdModelMgr: move from many separate js-arrays to 2 MultiArrayBuffers for storage
StdModelMgr: move from many separate js-arrays to 2 MultiArrayBuffers for storage

zenmumbler/stardazed-tx,stardazed/stardazed-tx,stardazed/stardazed,zenmumbler/libzm,zenmumbler/stardazed-tx,stardazed/stardazed-tx,stardazed/stardazed-tx,zenmumbler/libzm,stardazed/stardazed,zenmumbler/stardazed-tx,zenmumbler/libzm,zenmumbler/libzm,zenmumbler/stardazed-tx