WIP #12: bugfix for moving when no team selected

- DAMCON team movement orders seem to work, although the team then goes
  haywire shortly thereafter
- Selection when a DAMCON team shares a node location with a system is
  not yet fixed (picking should be only damcon teams when selected ==
  null and prioritize DAMCON teams when selected != null)

src/com/brindyblitz/artemis/engconsole/RealEngineeringConsoleManager.java

@@ -132,6 +132,7 @@ protected void updateSystemCoolantAllocated(ShipSystem system, int amount) {
 	}
 
 	public void moveDamconTeam(int teamId, GridCoord coord) {
+		System.out.println("Moving DAMCON team " + teamId + " to grid " + coord);
 		this.worldAwareRobustProxyListener.getServer().send(new EngSendDamconPacket(teamId, coord));
 	}
 }

src/com/brindyblitz/artemis/engconsole/ui/damcon/Damcon.java

@@ -304,11 +304,13 @@ public void mouseClicked(MouseEvent e) {
             }
         }
 
-        if (internal.getClass().equals(InternalTeam.class)) {
-            selected = (InternalTeam)internal;
-        } else { // if (internal.getClass().equals(InternalNode.class))
-            if (selected != null) {
-                this.engineeringConsoleManager.moveDamconTeam(selected.getTeamID(), ((InternalNode)internal).getGridCoords());
+        if (internal != null) {
+            if (internal.getClass().equals(InternalTeam.class)) {
+                selected = (InternalTeam) internal;
+            } else { // if (internal.getClass().equals(InternalNode.class))
+                if (selected != null) {
+                    this.engineeringConsoleManager.moveDamconTeam(selected.getTeamID(), ((InternalNode) internal).getGridCoords());
+                }
             }
         }
     }