www/py-django-dpaste: Update to 2.10

• Update PORTVERSION and distinfo checksum (2.10)
• Switch MASTER_SITES to CHEESESHOP (PyPI)
• Update RUN_DEPENDS
• Mark architecture independent (NO_ARCH)
• Patch setup.py/runtests.py so standard test methods work. Tox isn't required.
• Modernize test target (do-test: setup.py.test)

https://github.com/bartTC/dpaste/blob/v2.10/CHANGELOG