Merge pull request #279 from rcalsaverini/development

Document how to install swig and c++11 compiler on Ubuntu

Author: mfeurer

doc/installation.rst

@@ -13,7 +13,7 @@ auto-sklearn has the following system requirements:
 
 * Linux operating system (for example Ubuntu),
 * Python (>=3.4).
-* C++ compiler (with C++11 supports) and SWIG
+* C++ compiler (with C++11 supports) and SWIG (version 3.0 or later) 
 
 For an explanation of missing Microsoft Windows and MAC OSX support please
 check the Section `Windows/OSX compability`_.
@@ -37,6 +37,17 @@ We recommend installing *auto-sklearn* into a `virtual environment
 <http://docs.python-guide.org/en/latest/dev/virtualenvs/>`_ or an `Anaconda
 environment <https://conda.io/docs/using/envs.html>`_.
 
+Ubuntu installation
+===================
+
+To provide install a C++11 building environment and the lateste SWIG 
+version on Ubuntu, run:
+
+.. code:: bash
+
+    sudo apt-get install build-essential swig
+
+
 Anaconda installation
 =====================