devel/py-rauth: Update to 0.7.2, Modernize
- Update PORTVERSION and distinfo checksum (0.7.2)
- Add LICENSE_FILE
- Update RUN_DEPENDS (Switch to www/requests from requests1
- Update TEST dependencies and test target
- Remove TESTS options bits accordingly
- Patch setup.py to enable setuptools test command support
- Update pkg-descr based on latest upstream text
- Enable NO_ARCH (architecture independence)