Setuptools

Use latest [setuptools](http://pythonhosted.org/setuptools/index.html) for installation, supported by their `ez_setup.py` file that can bootstrap install setuptools if it isn't already available on a system.

- Bumped the version number to 0.2dev
- Changed URL to Synthicity repo
- Updated description
- Use setuptools' `install_requires` setting to list dependencies. They will be automatically installed on systems where they are not present.