Hypothesis deprecation warnings

[marcharper]

  @settings(max_examples=5, max_iterations=20)
/home/user/repos/axelrod/Axelrod/axelrod/tests/unit/test_tournament.py:1012: HypothesisDeprecationWarning: 
The max_iterations setting has been disabled, as internal heuristics are more
useful for this purpose than a user setting.  It no longer has any effect.

and many other lines. Run ./test to see them.

[drvinceknight]

We've got hypothesis==3.2.0 in requirements.txt and I don't get this depreciation for that version. (Hypothesis development creates a lot of test maintenance.)

[marcharper]

That's fine, just documenting it here. If you use a conda installation without adhering to our requirements you get these warnings.