Added README for .continuous-integration [ci skip]

Author: astrofrog

.continuous-integration/README.md

@@ -0,0 +1,15 @@
+About
+=====
+
+This directory contains a set of scripts that are used by the 
+``.travis.yml`` and ``appveyor.yml`` files for the 
+[Travis](http://travis-ci.org) and [AppVeyor](http://www.appveyor.com/) 
+services respectively.
+
+The scripts include:
+
+* ``appveyor/install-miniconda.ps1`` - set up conda on Windows
+* ``appveyor/windows_sdk.cmd`` - set up the compiler environment on Windows
+* ``travis/setup_dependencies_common.sh`` - set up conda packages on Linux and MacOS X
+* ``travis/setup_environment_linux.sh`` - set up conda and non-Python dependencies on Linux
+* ``travis/setup_environment_osx.sh`` - set up conda and non-Python dependencies on MacOS X