Edit Project Config

Change-Id: Ifeba388a03c866347192bbed4d6bf877d859134f

project.config

diff --git a/project.config b/project.config
index 58796dd..db900e6 100644
--- a/project.config
+++ b/project.config
@@ -61,3 +61,5 @@
 	value = +2 Looks good to me, approved
 [access "refs/for/*"]
 	addPatchSet = group Registered Users
+[reviewer]
+	enableByEmail = true
\ No newline at end of file