Fix crash from console-commands throwing exception. Fixes BUKKIT-2479

When 1.3.1 was released, a try-catch block was removed from the tick
loop that called the method in NMS to handle commands. This restores a
try-catch to prevent the console from crashing the server.

src/main/java/org/bukkit/craftbukkit/CraftServer.java

@@ -485,7 +485,12 @@ public final class CraftServer implements Server {
                 return true;
             }
         }
-        return dispatchCommand(sender, serverCommand.command);
+        try {
+            return dispatchCommand(sender, serverCommand.command);
+        } catch (Exception ex) {
+            getLogger().log(Level.WARNING, "Unexpected exception while parsing console command \"" + serverCommand.command + '"', ex);
+            return false;
+        }
     }
 
     public boolean dispatchCommand(CommandSender sender, String commandLine) {