(test_thread.py): modifications to quiet it up when not running as a script.

(testall.py): added test_thread to the list of regression tests.
diff --git a/Lib/test/test_thread.py b/Lib/test/test_thread.py
index 4e0eb70..f5e5057 100644
--- a/Lib/test/test_thread.py
+++ b/Lib/test/test_thread.py
@@ -6,6 +6,10 @@
 import thread
 import time
 
+verbose = 0
+if __name__ == '__main__':
+    verbose = 1
+
 mutex = thread.allocate_lock()
 whmutex = thread.allocate_lock() # for calls to whrandom
 running = 0
@@ -19,9 +23,11 @@
 	whmutex.acquire()
 	delay = whrandom.random() * numtasks
 	whmutex.release()
-	print 'task', ident, 'will run for', delay, 'sec'
+	if verbose:
+	    print 'task', ident, 'will run for', delay, 'sec'
 	time.sleep(delay)
-	print 'task', ident, 'done'
+	if verbose:
+	    print 'task', ident, 'done'
 	mutex.acquire()
 	running = running - 1
 	if running == 0:
@@ -33,7 +39,8 @@
 	global next_ident, running
 	mutex.acquire()
 	next_ident = next_ident + 1
-	print 'creating task', next_ident
+	if verbose:
+	    print 'creating task', next_ident
 	thread.start_new_thread(task, (next_ident,))
 	running = running + 1
 	mutex.release()
@@ -84,11 +91,14 @@
 			whmutex.acquire()
 			delay = whrandom.random() * numtasks
 			whmutex.release()
-		print 'task', ident, 'will run for', delay, 'sec'
+		if verbose:
+		    print 'task', ident, 'will run for', delay, 'sec'
 		time.sleep(delay)
-		print 'task', ident, 'entering barrier', i
+		if verbose:
+		    print 'task', ident, 'entering barrier', i
 		bar.enter()
-		print 'task', ident, 'leaving barrier', i
+		if verbose:
+		    print 'task', ident, 'leaving barrier', i
 	mutex.acquire()
 	running = running - 1
 	if running == 0: