fix(prosody): Moves to using shell for roster and user creation.

* fix(prosody): Moves to using shell for roster creation.

* fix(prosody): Moves to using shell for user creation.

prosody/rootfs/defaults/prosody.cfg.lua

@@ -100,6 +100,7 @@ modules_enabled = {
 		--"compression"; -- Stream compression (Debian: requires lua-zlib module to work)
 
 	-- Admin interfaces
+		"admin_shell"; -- Enable admin shell for prosodyctl shell commands
 		-- "admin_adhoc"; -- Allows administration via an XMPP client that supports ad-hoc commands
 		--"admin_telnet"; -- Opens telnet console interface on localhost port 5582