Merge pull request #800 from Axelrod-Python/py3.6

Change python support from 3.4/3.5 to 3.5/3.6

.travis.yml

@@ -1,8 +1,8 @@
 
 language: python
 python:
-  - 3.4
   - 3.5
+  - 3.6
 
 cache:
   directories:
@@ -15,7 +15,7 @@ install:
   - pip install -r requirements.txt
   - pip install sphinx
   - pip install sphinx_rtd_theme
-  - pip install docutils==0.12 
+  - pip install docutils==0.12
   - pip install coverage
   - pip install coveralls
 script:

docs/tutorials/further_topics/spatial_tournaments.rst

@@ -51,14 +51,14 @@ and obtain the interactions::
 
     >>> spatial_tournament = axl.SpatialTournament(players ,turns=2, repetitions=2, edges=edges)
     >>> results = spatial_tournament.play(keep_interactions=True)
-    >>> for index_pair, interaction in results.interactions.items():
+    >>> for index_pair, interaction in sorted(results.interactions.items()):
     ...     player1 = spatial_tournament.players[index_pair[0]]
     ...     player2 = spatial_tournament.players[index_pair[1]]
     ...     print('%s vs %s: %s' % (player1, player2, interaction))
-    Defector vs Tit For Tat: [[('D', 'C'), ('D', 'D')], [('D', 'C'), ('D', 'D')]]
+    Cooperator vs Tit For Tat: [[('C', 'C'), ('C', 'C')], [('C', 'C'), ('C', 'C')]]
     Cooperator vs Grudger: [[('C', 'C'), ('C', 'C')], [('C', 'C'), ('C', 'C')]]
+    Defector vs Tit For Tat: [[('D', 'C'), ('D', 'D')], [('D', 'C'), ('D', 'D')]]
     Defector vs Grudger: [[('D', 'C'), ('D', 'D')], [('D', 'C'), ('D', 'D')]]
-    Cooperator vs Tit For Tat: [[('C', 'C'), ('C', 'C')], [('C', 'C'), ('C', 'C')]]
 
 As anticipated  :code:`Cooperator` does not interact with :code:`Defector` neither
 :code:`TitForTat` with :code:`Grudger`.