Made thread priority reduction dependent on async mode

Author: dgant

src/main/java/bwapi/BWClient.java

@@ -81,7 +81,10 @@ public void startGame(BWClientConfiguration configuration) {
 
         // Use reduced priority to encourage Windows to give priority to StarCraft.exe/BWAPI.
         // If BWAPI doesn't get priority, it may not detect completion of a frame on our end in timely fashion.
-        Thread.currentThread().setPriority(4);
+        Thread.currentThread().setName("JBWAPI Client");
+        if (configuration.async) {
+            Thread.currentThread().setPriority(4);
+        }
 
         if (client == null) {
             client = new Client(configuration);