Add github CI

Author: ianopolous

.github/workflows/ant.yml

@@ -0,0 +1,20 @@
+name: Java CI
+
+on: [push]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v1
+    - name: Set up JDK 11
+      uses: actions/setup-java@v1
+      with:
+        java-version: 11
+    - name: Build with Ant
+      run: ant -noinput -buildfile build.xml dist
+    - name: Run tests
+      timeout-minutes: 10
+      run: ant -noinput -buildfile build.xml test