merge from 3.2 - fix urlopen behavior on sites which do not send (or obsfuscates) Connection: Close header.

when opening a long file.  With Tk 8.5, the first line was hidden.

link file name.

with mmap. Patch by Steffen Daode Nurpmeso.

* ftpwrapper now uses reference counting to ensure that the underlying socket
  is closed when the ftpwrapper object is no longer in use
* ftplib.FTP.ntransfercmd() now closes the socket if an error occurs

Initial patch by Victor Stinner.

merge from 3.2 - Fix closes issue12581 - Increase the urllib.parse test coverage (cases applicable to 2.7). Patch by Petter Haggholm.

merge from 3.2 - Fix closes issue12524 - update http.client POST example with a working example. - Patch contributed by Bharadwaj

so that "import DLFCN" and other similar imports work on Linux 3.0.

  signature.  Without this, architectures where sizeof void* != sizeof int are
  broken.  Patch given by Hallvard B Furuseth.

The RFC doesn't say that they are allowed; apparently many mailers accept
them, but not postfix.  Contributions to this patch were made by Felipe Cruz
and Catalin Iacob.

merge from 3.2 - Fix closes issue12577 - clarify shutil.move documentation. Patch suggestion by Catalin Iacob

merge from 3.2 - Fix closes Issue12478 - HTTPErrorProcess 's methods are http_response and https_response.

merge from 3.2 - Fix closes Issue12479 - Add HTTPErrorProcessor class definition - Patch by Sandro Tosi

Patch by Andreas Stührk.