deskutils/py-bugwarrior: Update to 1.1.4

• Update to 1.1.4
• Add TEST_DEPENDS and regression-test target now that tests are included in the PyPI sdist [1] Thanks Ralph!
• Patch setup.py to enable test command until PR #222 [2] is in release.

Changes:

https://github.com/ralphbean/bugwarrior/blob/1.1.4/CHANGELOG.rst

[1] https://github.com/ralphbean/bugwarrior/pull/221
[2] https://github.com/ralphbean/bugwarrior/pull/222