1. Fix sending with ctrl + enter

2. hide hidden protocols from systray menu

src/net/java/sip/communicator/impl/gui/main/chat/menus/SettingsMenu.java

@@ -114,7 +114,7 @@ else if (item.getName().equals("sendingMessageCommand"))
                         ConfigurationManager.ENTER_COMMAND);
             else
                 ConfigurationManager.setSendMessageCommand(
-                        ConfigurationManager.ENTER_COMMAND);
+                        ConfigurationManager.CTRL_ENTER_COMMAND);
         }
         else if (item.getName().equals("autopopup"))
         {

src/net/java/sip/communicator/impl/systray/jdic/StatusSubMenu.java

@@ -149,7 +149,12 @@ private void init()
                     = (ProtocolProviderService) SystrayActivator.bundleContext
                         .getService(protocolProviderRefs[i]);
 
-                this.addAccount(provider);
+                boolean isHidden = 
+                    provider.getAccountID().getAccountProperties().
+                        get("HIDDEN_PROTOCOL") != null;
+                
+                if(!isHidden)
+                    this.addAccount(provider);
             }
         }
     }