Add Jon Foster as Contributor
Add Jon Foster as Contributor

jonfoster/pyxb-upstream-mirror,jonfoster/pyxb2,jonfoster/pyxb-upstream-mirror,balanced/PyXB,pabigot/pyxb,balanced/PyXB,pabigot/pyxb,jonfoster/pyxb-upstream-mirror,balanced/PyXB,jonfoster/pyxb2,jonfoster/pyxb2,CantemoInternal/pyxb,CantemoInternal/pyxb,CantemoInternal/pyxb