Update CoyIM status.

wiki/src/blueprint/replace_Pidgin.mdwn

@@ -88,9 +88,13 @@ The client must support SASL authentication.
 ## CoyIM
 
 * [Homepage](https://coy.im/)
-* [Github](https://github.com/twstrike/coyim/)
+* [Github](https://github.com/coyim/coyim/)
 * CoyIM only supports XMPP.
 * CoyIM [is in Debian](https://tracker.debian.org/pkg/coyim)
+* Support for multi-user chatrooms (MUC) is [in
+  progress](https://github.com/coyim/coyim/projects/2) and lacks some
+  important features such as having a persistent list of rooms
+  persistently saved in the configuration
 * Supports Tor, TLS, OTR
 * Supports creation of random accounts.
 * Supports importing accounts from Pidgin.