Creating a better setup.py

* correcting indent
* add classifier, license, url
Makes pyOwnCloud installable and detect the correct version number.

pyOwnCloud uses csync/devel to detect if it is installed or not.

Fix: #13
removes unnecessary print command.
Merge pull request #18 from csawyerYumaed/installation

Installation
issue 20, check to see if we are in a .git directory before launching git for the head revision.
issue 20, debug printing will only password safe the password if it's there to begin with.
Make keyring not to use as default.

Fix #19
Merge pull request #21 from csawyerYumaed/keyring

Make keyring not to use as default and change variable to use-keyring instead of not-use-keyring.