Add note that nick registration is required for an IRC cloak

Author: stuarta

miscdocs/NewDeveloper.rst

@@ -78,7 +78,8 @@ IRC Cloak
 If you are an IRC user, and you would like a "mythtv/developer" cloak, please
 indicate your IRC user and desire for a cloak in the template email.
 
-
+Your IRC nick MUST be registered with nickserv in order to be granted a cloak.
+This is required by freenode and enforced by freenode staff.
 
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