Also allow akaros-git-pusher to forge committer identity.

project.config

diff --git a/project.config b/project.config
index cfe36ce..b784544 100644
--- a/project.config
+++ b/project.config
@@ -22,6 +22,7 @@
 	create = group mdb/akaros
 	forgeAuthor = group Registered Users
 	forgeCommitter = group Project Owners
+	forgeCommitter = group akaros-git-pusher
 	forgeCommitter = group mdb/akaros
 	push = group Project Owners
 	push = +force group akaros-git-pusher