databases/py-pylibmc: Update to 1.4.1, Allow Python 3 support

- Update to 1.4.1
- Allow Python 3 support [1]
- Update COMMENT to match PyPi upstream
- Add TESTS option, TEST_DEPENDS and regression-test target
- Strip shared library
- Patch setup.{py,cfg} to add allow 'test' command to run
- Update pkg-descr to match upstream
- pkg-descr: Update WWW: URL to match PyPi upstream

This update passes QA (test suite) under Python 2.7 and 3.4.

Changes:

  http://sendapatch.se/projects/pylibmc/changelog.html

[1] https://github.com/lericson/pylibmc/issues/146


git-svn-id: svn+ssh://svn.freebsd.org/ports/head@374342 35697150-7ecd-e111-bb59-0022644237b5