Added ability to control antenna without connection to mission control

Author: Pharylon

src/RemoteTech/Modules/ModuleSPU.cs

@@ -185,9 +185,16 @@ public void HookPartMenus()
                         vs.SignalProcessor.FlightComputer.Enqueue(EventCommand.Event(e));
                     }
                 }
+                else if (e.listParent.part.Modules.OfType<IAntenna>().Any() &&
+                         !e.listParent.part.Modules.OfType<ModuleRTAntennaPassive>().Any() &&
+                         RTSettings.Instance.ControlAntennaWithoutConnection)
+                {
+                    e.Invoke();
+                }
                 else
                 {
-                    ScreenMessages.PostScreenMessage(new ScreenMessage("No connection to send command on.", 4.0f, ScreenMessageStyle.UPPER_LEFT));
+                    ScreenMessages.PostScreenMessage(new ScreenMessage("No connection to send command on.", 4.0f,
+                        ScreenMessageStyle.UPPER_LEFT));
                 }
             });
         }

src/RemoteTech/RTSettings.cs

@@ -35,6 +35,7 @@ public class Settings
         [Persistent] public Color DishConnectionColor = XKCDColors.Amber;
         [Persistent] public Color OmniConnectionColor = XKCDColors.BrownGrey;
         [Persistent] public Color ActiveConnectionColor = XKCDColors.ElectricLime;
+        [Persistent] public bool ControlAntennaWithoutConnection = true;
 
         [Persistent(collectionIndex="STATION")]
         public MissionControlSatellite[] GroundStations = new MissionControlSatellite[] { new MissionControlSatellite() };