Remove beekeeper and add build status workflow.

.github/workflows/build_status.yml

@@ -0,0 +1,25 @@
+name: Build status
+on:
+  push:
+    branches:
+      - master
+
+jobs:
+  test:
+    name: Run tests
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v1
+    - name: Set up Python 3.7
+      uses: actions/setup-python@v1
+      with:
+        python-version: 3.7
+    - name: Install dependencies
+      run: |
+        pip install --upgrade pip setuptools pytest-tldr
+        pip install -e src/core
+        pip install -e src/dummy
+    - name: Test
+      run: |
+        cd src/core
+        python setup.py test

README.rst

@@ -7,22 +7,27 @@ Toga
 
 .. image:: https://img.shields.io/badge/python-3.5%2C%203.6%2C%203.7-blue.svg
     :target: https://pypi.python.org/pypi/toga
+    :alt: Python Versions
 
 .. image:: https://img.shields.io/pypi/v/toga.svg
     :target: https://pypi.python.org/pypi/toga
+    :alt: Project version
 
 .. image:: https://img.shields.io/pypi/status/toga.svg
     :target: https://pypi.python.org/pypi/toga
+    :alt: Project status
 
 .. image:: https://img.shields.io/pypi/l/toga.svg
     :target: https://github.com/beeware/toga/blob/master/LICENSE
+    :alt: License
 
-.. image:: https://beekeeper.beeware.org/projects/beeware/toga/shield
-    :target: https://beekeeper.beeware.org/projects/beeware/toga
+.. image:: https://github.com/beeware/beefore/workflows/Build%20status/badge.svg
+   :target: https://github.com/beeware/beefore/actions
+   :alt: Build Status
 
 .. image:: https://badges.gitter.im/beeware/general.svg
-    :target: https://gitter.im/beeware/general
-
+   :target: https://gitter.im/beeware/general
+   :alt: Gitter chat room
 
 A Python native, OS native GUI toolkit.