Added manual upgrade instructions

Author: lindonroberts

README.rst

@@ -42,20 +42,28 @@ Installation using pip
 ----------------------
 For easy installation, use `pip <http://www.pip-installer.org/>`_ as root::
 
+ .. code-block:: bash
+ 
     $ [sudo] pip install Py-BOBYQA
 
 or alternatively *easy_install*::
 
+ .. code-block:: bash
+ 
     $ [sudo] easy_install Py-BOBYQA
 
 If you do not have root privileges or you want to install Py-BOBYQA for your private use, you can use::
 
+ .. code-block:: bash
+ 
     $ pip install --user Py-BOBYQA
 
 which will install Py-BOBYQA in your home directory.
 
 Note that if an older install of Py-BOBYQA is present on your system you can use::
 
+ .. code-block:: bash
+ 
     $ [sudo] pip install --upgrade Py-BOBYQA
 
 to upgrade Py-BOBYQA to the latest version.
@@ -83,6 +91,13 @@ If you do not have root privileges or you want to install Py-BOBYQA for your pri
 
 instead.
 
+To upgrade Py-BOBYQA to the latest version, navigate to the top-level directory (i.e. the one containing :code:`setup.py`) and rerun the installation using :code:`pip`, as above:
+
+ .. code-block:: bash
+
+    $ git pull
+    $ [sudo] pip install .  # with admin privileges
+
 Testing
 -------
 If you installed Py-BOBYQA manually, you can test your installation by running:

docs/install.rst

@@ -59,7 +59,14 @@ If you do not have root privileges or you want to install Py-BOBYQA for your pri
 
     $ pip install --user .
     
-instead.    
+instead.
+
+To upgrade Py-BOBYQA to the latest version, navigate to the top-level directory (i.e. the one containing :code:`setup.py`) and rerun the installation using :code:`pip`, as above:
+
+ .. code-block:: bash
+
+    $ git pull
+    $ [sudo] pip install .  # with admin privileges
 
 Testing
 -------