update tiles to use explicitly sized integers for use with graphid in baldr
Merge remote-tracking branch 'origin/master' into kk_loki
Merge remote-tracking branch 'origin/master' into kk_loki
add additional m4s for posterity
Merge remote-tracking branch 'origin/master' into kk_m4
Merge pull request #5 from valhalla/kk_m4

add m4s