Add Github Actions CI.

.github/workflows/ci-workflow.yaml

@@ -0,0 +1,83 @@
+name: Empyrical CI
+
+on: [push]
+
+jobs:
+  build-and-test:
+
+    runs-on: ubuntu-18.04
+
+    strategy:
+      matrix:
+        python_venv: ['2.7_v1', '2.7_v2', '2.7_v3', '3.5_v1', '3.5_v2', '3.6']
+        include:
+          - python_venv: '2.7_v1'
+            python: 2.7
+            pandas: 0.18.1
+            numpy: 1.11.1
+            scipy: 0.17.1
+            libgfortran: 3.0
+          - python_venv: '2.7_v2'
+            python: 2.7
+            pandas: 0.19.2
+            numpy: 1.12.1
+            scipy: 0.19.0
+            libgfortran: 3.0
+          - python_venv: '2.7_v3'
+            python: 2.7
+            pandas: 0.20.1
+            numpy: 1.12.1
+            scipy: 0.19.0
+            libgfortran: 3.0
+          - python_venv: '3.5_v1'
+            python: 3.5
+            pandas: 0.18.1
+            numpy: 1.11.1
+            scipy: 0.17.1
+            libgfortran: 3.0
+          - python_venv: '3.5_v2'
+            python: 3.5
+            pandas: 0.19.2
+            numpy: 1.12.1
+            scipy: 0.19.0
+            libgfortran: 3.0
+          - python_venv: '3.6'
+            python: 3.6
+            pandas: 0.20.1
+            numpy: 1.12.1
+            scipy: 0.19.0
+            libgfortran: 3.0
+
+    name: py${{ matrix.python_venv }}
+
+    steps:
+
+      - name: Checkout repository
+        uses: actions/checkout@v1
+
+      - name: Setup conda
+        run: |
+          export PATH="/usr/share/miniconda/bin:$PATH"
+          conda config --set always_yes yes --set changeps1 no
+          conda update -q conda
+
+      - name: Install dependencies
+        run: |
+          export PATH="/usr/share/miniconda/bin:$PATH"
+          conda create -n testenv --yes -c conda-forge pip python=${{ matrix.python }} numpy=${{ matrix.numpy }} pandas=${{ matrix.pandas }} scipy=${{ matrix.scipy }} libgfortran=${{ matrix.libgfortran }}
+          source activate testenv
+          pip install -e .[dev]
+        shell: bash
+
+      - name: Linting
+        run: |
+          export PATH="/usr/share/miniconda/bin:$PATH"
+          source activate testenv
+          flake8 .
+
+      - name: Tests
+        run: |
+          export PATH="/usr/share/miniconda/bin:$PATH"
+          source activate testenv
+          nosetests
+