hgtags: tag release.2009-12-07 (where gccgo is)    and release.2009-12-09 (where we are)
hgtags: tag release.2009-12-07 (where gccgo is)
   and release.2009-12-09 (where we are)

shorten tags because it is too hard to look up the
full size hash and overkill anyway.

R=r
http://codereview.appspot.com/171047

wesolows/golang-old,wesolows/golang-old,wesolows/golang,wesolows/golang,wesolows/golang-old,wesolows/golang-old,firebitsbr/golang-old,wesolows/golang,firebitsbr/golang-old,firebitsbr/golang-old,wesolows/golang,wesolows/golang,firebitsbr/golang-old,wesolows/golang-old,firebitsbr/golang-old,wesolows/golang,firebitsbr/golang-old,firebitsbr/golang-old,wesolows/golang-old,firebitsbr/golang-old,wesolows/golang-old,wesolows/golang