Update Makefile to release to App Engine version based on Git rev, not SVN rev.
Update Makefile to release to App Engine version based on Git rev, not SVN rev.

selfcommit/simian,sillywilly42/simian,googlearchive/simian,alexandregz/simian,googlearchive/simian,frlen/simian,frlen/simian,frlen/simian,alexandregz/simian,selfcommit/simian,googlearchive/simian,alexandregz/simian,selfcommit/simian,sillywilly42/simian,frlen/simian,alexandregz/simian,googlearchive/simian,sillywilly42/simian,sillywilly42/simian,selfcommit/simian