Allow creation of refs/meta/config branch

project.config

diff --git a/project.config b/project.config
index 521e279..1805a3c 100644
--- a/project.config
+++ b/project.config
@@ -41,6 +41,8 @@
 	label-Code-Review = -2..+2 group mdb/upspin-admin
 	submit = group Project Owners
 	submit = group mdb/upspin-admin
+	create = group Project Owners
+	create = group mdb/upspin-admin
 [access "refs/tags/*"]
 	createTag = group Project Owners
 	createTag = group mdb/upspin-admin