Updated project for Pypi

- renamed some directories
- changed README.md to rst format
- added setup.py and MANIFEST.in
- moved test package as subpackage of owncloudclient
Restructure docs / add installation info
Fix install typo
Merge pull request #3 from Gomez/pypi

Pypi
Merge pull request #2 from PVince81/pypi

Updated project for Pypi
Rename owncloudclient to owncloud

Fixes #4
Now raising exceptions when status code is not ok or excepted ones
Added OCS status check and exception docs