[1.6.x] Updated a bunch of hyperlinks in documentation

Backport of 626bdf648 from master.

docs/topics/install.txt

@@ -224,7 +224,7 @@ This is the recommended way to install Django.
 
 .. _pip: http://www.pip-installer.org/
 .. _virtualenv: http://www.virtualenv.org/
-.. _virtualenvwrapper: http://www.doughellmann.com/docs/virtualenvwrapper/
+.. _virtualenvwrapper: http://virtualenvwrapper.readthedocs.org/en/latest/
 .. _standalone pip installer: http://www.pip-installer.org/en/latest/installing.html#using-the-installer
 
 Installing an official release manually

docs/topics/logging.txt

@@ -525,7 +525,7 @@ Python logging module.
     By default, an instance of the email backend specified in
     :setting:`EMAIL_BACKEND` will be used.
 
-.. _Sentry: http://pypi.python.org/pypi/sentry
+.. _Sentry: https://pypi.python.org/pypi/sentry
 
 
 Filters

docs/topics/python3.txt

@@ -6,7 +6,7 @@ Django 1.5 is the first version of Django to support Python 3. The same code
 runs both on Python 2 (≥ 2.6.5) and Python 3 (≥ 3.2), thanks to the six_
 compatibility layer.
 
-.. _six: http://packages.python.org/six/
+.. _six: http://pythonhosted.org/six/
 
 This document is primarily targeted at authors of pluggable application
 who want to support both Python 2 and 3. It also describes guidelines that
@@ -42,7 +42,7 @@ developers are used to dealing with such constraints.
 Porting tools provided by Django are inspired by this philosophy, and it's
 reflected throughout this guide.
 
-.. _Python's official porting guide: http://docs.python.org/py3k/howto/pyporting.html
+.. _Python's official porting guide: http://docs.python.org/3/howto/pyporting.html
 .. _Pragmatic Unicode: http://nedbatchelder.com/text/unipain.html
 
 Porting tips
@@ -246,7 +246,7 @@ consequence, the following pattern is sometimes necessary::
 
 Be cautious if you have to `index bytestrings`_.
 
-.. _index bytestrings: http://docs.python.org/py3k/howto/pyporting.html#bytes-literals
+.. _index bytestrings: http://docs.python.org/3/howto/pyporting.html#bytes-literals
 
 Exceptions
 ~~~~~~~~~~

docs/topics/templates.txt

@@ -30,7 +30,7 @@ or CheetahTemplate_, you should feel right at home with Django's templates.
     </howto/custom-template-tags>` to the template language as needed).
 
 .. _`The Django template language: For Python programmers`: ../templates_python/
-.. _Smarty: http://smarty.php.net/
+.. _Smarty: http://www.smarty.net/
 .. _CheetahTemplate: http://www.cheetahtemplate.org/
 
 Templates

docs/topics/testing/advanced.txt

@@ -535,4 +535,4 @@ For more options like annotated HTML listings detailing missed lines, see the
 `coverage.py`_ docs.
 
 .. _coverage.py: http://nedbatchelder.com/code/coverage/
-.. _install coverage.py: http://pypi.python.org/pypi/coverage
+.. _install coverage.py: https://pypi.python.org/pypi/coverage

docs/topics/testing/overview.txt

@@ -43,7 +43,7 @@ module defines tests using a class-based approach.
     If you want to continue to use the legacy ``unittest`` library, you can --
     you just won't get any of the nice new ``unittest2`` features.
 
-.. _unittest2: http://pypi.python.org/pypi/unittest2
+.. _unittest2: https://pypi.python.org/pypi/unittest2
 
 Here is an example which subclasses from :class:`django.test.TestCase`,
 which is a subclass of :class:`unittest.TestCase` that runs each test inside a
@@ -1096,7 +1096,7 @@ example above is just a tiny fraction of what the Selenium client can do; check
 out the `full reference`_ for more details.
 
 .. _Selenium: http://seleniumhq.org/
-.. _selenium package: http://pypi.python.org/pypi/selenium
+.. _selenium package: https://pypi.python.org/pypi/selenium
 .. _full reference: http://selenium-python.readthedocs.org/en/latest/api.html
 .. _Firefox: http://www.mozilla.com/firefox/