merge develop -D org -I include -E exclude: PR 528 (Tile performance improvements for VMS and NDPI)
merge develop -D org -I include -E exclude: PR 825 (bfopen: store both the global and series metadata in the returned array)
merge develop -D org -I include -E exclude: PR 826 (cpp: Add metadata interfaces and implementations)
merge develop -D org -I include -E exclude: PR 827 (Update format pages for 5.0.0-beta2)