Rename Queue module to queue.

Updated documentation to use new name.
Merged revisions 63077 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk

........
  r63077 | alexandre.vassalotti | 2008-05-11 15:39:48 -0400 (Sun, 11 May 2008) | 3 lines

  Added stub for the Queue module to be renamed in 3.0.
  Use the 3.0 module name to avoid spurious warnings.
........

Doc/library/queue.rst

@@ -1,12 +1,12 @@
 
-:mod:`Queue` --- A synchronized queue class
+:mod:`queue` --- A synchronized queue class
 ===========================================
 
-.. module:: Queue
+.. module:: queue
    :synopsis: A synchronized queue class.
 
 
-The :mod:`Queue` module implements multi-producer, multi-consumer queues.
+The :mod:`queue` module implements multi-producer, multi-consumer queues.
 It is especially useful in threaded programming when information must be
 exchanged safely between multiple threads.  The :class:`Queue` class in this
 module implements all the required locking semantics.  It depends on the
@@ -20,7 +20,7 @@ the first retrieved (operating like a stack).  With a priority queue,
 the entries are kept sorted (using the :mod:`heapq` module) and the
 lowest valued entry is retrieved first.
 
-The :mod:`Queue` module defines the following classes and exceptions:
+The :mod:`queue` module defines the following classes and exceptions:
 
 .. class:: Queue(maxsize)
 

Doc/library/threading.rst

@@ -8,7 +8,7 @@
 
 This module constructs higher-level threading interfaces on top of the  lower
 level :mod:`thread` module.
-See also the :mod:`Queue` module.
+See also the :mod:`queue` module.
 
 The :mod:`dummy_threading` module is provided for situations where
 :mod:`threading` cannot be used because :mod:`thread` is missing.