Add github actions and remove travis

Note that I've removed hypothesis from the requirements. As is, to pip
install axelrod also installs hypothesis which is silly.

Author: drvinceknight

.github/workflows/config.yml

@@ -0,0 +1,52 @@
+name: CI
+
+on: [push, pull_request]
+
+jobs:
+  build:
+
+    runs-on: ${{ matrix.os }}
+    strategy:
+      max-parallel: 4
+      matrix:
+        os: [ubuntu-latest, windows-latest]
+        python-version: [3.6, 3.7]
+
+    steps:
+    - uses: actions/checkout@v1
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v1
+      with:
+        python-version: ${{ matrix.python-version }}
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        python -m pip install -r requirements.txt
+    - name: Check that documentation builds
+      run: |
+        python -m pip install sphinx
+        python -m pip install sphinx_rtd_theme
+        python -m pip install docutils==0.12
+        python -m pip install mock
+        cd docs; make clean; make html; cd ..;
+    - name: Install testing dependencies
+      run: |
+        python -m pip install coverage
+        python -m pip install hypothesis==3.2
+        python -m pip install mypy
+    - name: Run tests and coverage
+      run: |
+        coverage run --source=axelrod -m unittest discover
+        coverage report -m --fail-under=100
+    - name: Run doctest
+      run: |
+        python doctests.py
+    - name: Run static type checker
+      run: |
+        python run_mypy.py
+    - name: Check that all strategies are indexed
+      run: |
+        python run_strategy_indexer.py
+    - name: Check that installs
+      run: |
+        python setup.py install

.travis.yml

@@ -5,6 +5,7 @@ environment:
 install:
   - "%PYTHON%\\python.exe --version"
   - "%PYTHON%\\python.exe -m pip install -r requirements.txt"
+  - "%PYTHON%\\python.exe -m pip install hypothesis==3.2"
 build: off
 test_script:
   - "%PYTHON%\\python.exe -m unittest discover"

appveyor.yml

@@ -1,7 +1,6 @@
 cloudpickle>=0.2.1
 fsspec>=0.4.3
 dask>=2.3.0
-hypothesis==3.2
 matplotlib>=2.0.0
 numpy>=1.9.2
 pandas>=0.18.1