README.rst: Add code-blocks to do syntax highlighting
tox.ini: Remove support for py25
.travis.yml: Remove support for Python 2.5
.travis.yml: Add Python 3.3
Merge pull request #2 from msabramo/change_py_versions

Change py versions
Update README.rst

Add installation instructions, closes #1.
Merge pull request #3 from Bengt/patch-1

Update README.rst
README.md: minor formatting
tox2travis: Generate a simpler .travis.yml

that uses Travis matrix on env with TOXENV to leverage tox.ini
Merge pull request #4 from msabramo/tox2travis_env_TOXENV

tox2travis: Generate a simpler .travis.yml
tox.ini: Use coveralls.io