Replace Travis CI workflow with GitHub Actions workflow; update READM…

…E badge.

.github/workflows/lint-test-cover.yml

@@ -0,0 +1,29 @@
+name: lint-test-cover
+on:
+  push
+jobs:
+  lint_test_cover:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: ['3.7', '3.8', '3.9']
+    name: "Python ${{ matrix.python-version }}"
+    steps:
+      - uses: actions/checkout@v2
+      - name: Install Python.
+        uses: actions/setup-python@v2
+        with:
+          python-version: ${{ matrix.python-version }}
+          architecture: x64
+      - name: Lint and test module.
+        run: |
+          pip install -U pylint coverage nose .
+          python -m pylint bfcl # Check against linting rules.
+          python -m nose --cover-erase # Test using nose.
+      - name: Publish coverage results.
+        run: |
+          pip install -U pylint coveralls
+          python -m coveralls --service=github # Submit to coveralls.
+        if: matrix.python-version == '3.8'
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

README.rst

@@ -4,14 +4,15 @@ bfcl
 
 Bristol Fashion Circuit Library (BFCL) for working with circuit definitions represented using the Bristol Fashion.
 
-|pypi| |travis| |coveralls|
+|pypi| |actions| |coveralls|
 
 .. |pypi| image:: https://badge.fury.io/py/bfcl.svg
    :target: https://badge.fury.io/py/bfcl
    :alt: PyPI version and link.
 
-.. |travis| image:: https://travis-ci.com/nthparty/bfcl.svg?branch=master
-    :target: https://travis-ci.com/nthparty/bfcl
+.. |actions| image:: https://github.com/nthparty/bfcl/workflows/lint-test-cover/badge.svg
+   :target: https://github.com/nthparty/bfcl/actions/workflows/lint-test-cover.yml
+   :alt: GitHub Actions status.
 
 .. |coveralls| image:: https://coveralls.io/repos/github/nthparty/bfcl/badge.svg?branch=master
    :target: https://coveralls.io/github/nthparty/bfcl?branch=master