Added 0.6.8 and updated latest in registry libfile; added Joffrey as maintainer

library/registry

@@ -1,5 +1,6 @@
+# maintainer: Joffrey F <[email protected]> (@shin-)
 # maintainer: Sam Alba <[email protected]> (@samalba)
 
-latest: git://github.com/dotcloud/docker-registry@36c4b8283b8598a7c3c969c04f1b81cf55e42d54
-0.6.6: git://github.com/dotcloud/docker-registry@c3c2ee2bfa934948158e96cd08403a22a269ad47
+latest: git://github.com/dotcloud/docker-registry@46d75775055efa618e89abfe6a87f1d8767d05eb
 0.6.7: git://github.com/dotcloud/docker-registry@36c4b8283b8598a7c3c969c04f1b81cf55e42d54
+0.6.8: git://github.com/dotcloud/docker-registry@46d75775055efa618e89abfe6a87f1d8767d05eb