Updated release script to make sure bump happens in the right place

--HG--
branch : distribute
extra : rebase_source : c43255ab2e3cba530aa8043fd3989aa8e21cd4a7

release.py

@@ -58,6 +58,9 @@ def do_release():
 		'upload', 'upload_docs'])
 	upload_bootstrap_script()
 
+	# update to the tip for the next operation
+	subprocess.check_call(['hg', 'update'])
+
 	# we just tagged the current version, bump for the next release.
 	bump_versions()
 	subprocess.check_call(['hg', 'ci', '-m',