Removed sudo from pip commands in docs.

docs/README

@@ -6,7 +6,7 @@ This allows it to be built into other forms for easier viewing and browsing.
 
 To create an HTML version of the docs:
 
-* Install Sphinx (using ``sudo pip install Sphinx`` or some other method)
+* Install Sphinx (using ``pip install Sphinx`` or some other method)
 
 * In this docs/ directory, type ``make html`` (or ``make.bat html`` on
   Windows) at a shell prompt.

docs/howto/deployment/wsgi/gunicorn.txt

@@ -12,7 +12,7 @@ dependencies and is easy to install and use.
 Installing Gunicorn
 ===================
 
-Installing gunicorn is as easy as ``sudo pip install gunicorn``. For more
+Installing gunicorn is as easy as ``pip install gunicorn``. For more
 details, see the `gunicorn documentation`_.
 
 .. _gunicorn documentation: http://docs.gunicorn.org/en/latest/install.html

docs/howto/outputting-pdf.txt

@@ -27,7 +27,7 @@ Alternatively, you can also install it with ``pip``:
 
 .. code-block:: bash
 
-    $ sudo pip install reportlab
+    $ pip install reportlab
 
 Test your installation by importing it in the Python interactive interpreter::
 

docs/internals/contributing/writing-documentation.txt

@@ -46,7 +46,7 @@ __ http://sphinx-doc.org/
 __ http://docutils.sourceforge.net/
 
 To actually build the documentation locally, you'll currently need to install
-Sphinx -- ``sudo pip install Sphinx`` should do the trick.
+Sphinx -- ``pip install Sphinx`` should do the trick.
 
 .. note::
 

docs/intro/whatsnext.txt

@@ -165,7 +165,7 @@ You can get a local copy of the HTML documentation following a few easy steps:
 
   .. code-block:: bash
 
-        $ sudo pip install Sphinx
+        $ pip install Sphinx
 
 * Then, just use the included ``Makefile`` to turn the documentation into
   HTML:

docs/ref/contrib/gis/install/index.txt

@@ -326,7 +326,7 @@ psycopg2
 After you've installed the KyngChaos binaries and modified your ``PATH``, as
 described above, ``psycopg2`` may be installed using the following command::
 
-    $ sudo pip install psycopg2
+    $ pip install psycopg2
 
 .. note::
 

docs/ref/contrib/gis/install/spatialite.txt

@@ -159,7 +159,7 @@ or if you are on Mac OS X:
 After modifying ``setup.cfg`` appropriately, then run the ``setup.py`` script
 to build and install::
 
-    $ sudo python setup.py install
+    $ python setup.py install
 
 .. _spatialite_macosx:
 

docs/topics/i18n/timezones.txt

@@ -36,7 +36,7 @@ or times, please try installing it before filing a bug. It's as simple as:
 
 .. code-block:: bash
 
-    $ sudo pip install pytz
+    $ pip install pytz
 
 .. note::