tests: tox python 3.4 support

Signed-off-by: Lars Holm Nielsen <lars.holm.nielsen@cern.ch>
installation: disutils to setuptools

* Changed from distutils to setuptools to allow for
  development installations.

Signed-off-by: Lars Holm Nielsen <lars.holm.nielsen@cern.ch>
tests: travis python 3.4 + coveralls support.

* Adds test coverage for Python 3.4 in Travis

* Adds coveralls support for test coverage reporting.

Signed-off-by: Lars Holm Nielsen <lars.holm.nielsen@cern.ch>
installation: repository URL update

* Updates the GitHub repository URL.

Signed-off-by: Lars Holm Nielsen <lars.holm.nielsen@cern.ch>
Merge pull request #15 from lnielsen-cern/minor-updates

installation: python 3.4 testing + setup updates