put in placeholder (non-functional) proxy preferences

macosx/Controller.m

@@ -219,7 +219,7 @@ static void sleepCallback(void * controller, io_service_t y, natural_t messageTy
                                 TR_DEFAULT_PEER_SOCKET_TOS,
                                 [fDefaults boolForKey: @"RPC"],
                                 [fDefaults integerForKey: @"RPCPort"],
-                                NULL, /*reset in prefs*/
+                                NULL, /* reset in prefs */
                                 [fDefaults boolForKey: @"RPCAuthorize"],
                                 [[fDefaults stringForKey: @"RPCUsername"] UTF8String],
                                 [[fDefaults stringForKey: @"RPCPassword"] UTF8String]);

macosx/Defaults.plist

@@ -98,6 +98,14 @@
 	<true/>
 	<key>PlaySeedingSound</key>
 	<false/>
+	<key>Proxy</key>
+	<false/>
+	<key>ProxyAuthorize</key>
+	<false/>
+	<key>ProxyPassword</key>
+	<string></string>
+	<key>ProxyUsername</key>
+	<string></string>
 	<key>Queue</key>
 	<false/>
 	<key>QueueDownloadNumber</key>
@@ -115,7 +123,7 @@
 	<key>RPCAuthorize</key>
 	<false/>
 	<key>RPCPassword</key>
-	<string>admin</string>
+	<string></string>
 	<key>RPCPort</key>
 	<integer>9091</integer>
 	<key>RPCUsername</key>