build: Add dist-snapshot
build: Add dist-snapshot

Take the current git HEAD and make a tarball from it; should be useful
for putting snapshots into Poky.

gatispaeglis/ostree,gatispaeglis/ostree,sujitfulse/ostree,gatispaeglis/ostree,leandrosansilva/ostree,leandrosansilva/ostree,GNOME/ostree,GNOME/ostree,sujitfulse/ostree,GNOME/ostree,resin-io/ostree,gatispaeglis/ostree,resin-io/ostree,GNOME/ostree,gatispaeglis/ostree,leandrosansilva/ostree,GNOME/ostree,resin-io/ostree,leandrosansilva/ostree,resin-io/ostree,leandrosansilva/ostree,resin-io/ostree,sujitfulse/ostree,sujitfulse/ostree,sujitfulse/ostree,gatispaeglis/ostree