Give threads better names for debugging

Author: garydgregory

src/main/java/org/apache/commons/io/ThreadMonitor.java

@@ -60,7 +60,7 @@ static Thread start(final Thread thread, final Duration timeout) {
         if (timeout.isZero() || timeout.isNegative()) {
             return null;
         }
-        final Thread monitor = new Thread(new ThreadMonitor(thread, timeout), ThreadMonitor.class.getSimpleName());
+        final Thread monitor = new Thread(new ThreadMonitor(thread, timeout), "commons-io-ThreadMonitor");
         monitor.setDaemon(true);
         monitor.start();
         return monitor;

src/main/java/org/apache/commons/io/monitor/FileAlterationMonitor.java

@@ -179,7 +179,7 @@ public synchronized void start() throws Exception {
         if (threadFactory != null) {
             thread = threadFactory.newThread(this);
         } else {
-            thread = new Thread(this);
+            thread = new Thread(this, "commons-io-FileAlterationMonitor");
         }
         thread.start();
     }