Move to GitHub actions (#2671)

* Remove use of travis.

* Add basic github action maven build.

.github/workflows/build.yml

@@ -0,0 +1,22 @@
+name: Maven CI/CD
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  build_and_test:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up JDK 8
+      uses: actions/setup-java@v1
+      with:
+        java-version: 1.8
+
+    - name: Build with Maven
+      run: mvn -B package --file pom.xml

.travis.yml

@@ -1,6 +0,0 @@
-language: java
-jdk:
-  - oraclejdk8
-notifications:
-  email: false
-dist: trusty