reserve username for extcomm mailing list

cg505 · ja5087 · commit 3530f329003e · 2019-04-20T23:03:12.000-07:00
diff --git a/ocflib/account/validators.py b/ocflib/account/validators.py
@@ -265,6 +265,7 @@
     'announce',
     'decal',
     'decal-announce',
+    'extcomm',
     'gm',
     'jenkins',
     'joinstaff',
