1.1.4: test requirements uses outdated nose module

[kloczek]

[tkloczko@barrel HTTPretty-1.1.4]$ grep -rw nose
development.txt:nose-randomly>=1.2.6
development.txt:nose>=1.3.7
httpretty/core.py:    example usage with `nosetests <https://nose.readthedocs.io/en/latest/>`_
setup.py:tests_requires = ['nose', 'sure', 'coverage', 'mock;python_version<"3.3"',
setup.py:    test_suite='nose.collector',
build/lib/httpretty/core.py:    example usage with `nosetests <https://nose.readthedocs.io/en/latest/>`_

https://nose.readthedocs.io/en/latest/