Gitub actions (#53)

* push action

Initial scratch pad

* #26 requirements.txt added

* #26 unit test failures fixes

* #26 install theme in action

python3 compatible test

* #26 test failure fixes based on new pelican

* #26 python3 test fixes

.github/workflows/main.yml

@@ -0,0 +1,28 @@
+name: Python package
+
+on: [push]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-18.04
+    strategy:
+      max-parallel: 4
+      matrix:
+        python-version: [2.7, 3.5, 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
+        pip install -r tests/requirements.txt
+        pelican-themes -i ../attila
+    - name: Test with pytest
+      run: |
+        cd tests
+        pytest