Merge branch 'master' into master

Author: jnape

.github/workflows/maven.yml

@@ -1,6 +1,8 @@
 name: Java CI
 
-on: [push]
+on:
+  push:
+  pull_request:
 
 jobs:
   build-java-1_8:

.travis.yml

@@ -1,6 +1,5 @@
 λ
 ======
-[![Build Status](https://travis-ci.com/palatable/lambda.svg?branch=master)](https://travis-ci.com/palatable/lambda)
 [![Actions Status](https://github.com/palatable/lambda/workflows/Java%20CI/badge.svg)](https://github.com/palatable/lambda/actions)
 [![Lambda](https://img.shields.io/maven-central/v/com.jnape.palatable/lambda.svg)](http://search.maven.org/#search%7Cga%7C1%7Ccom.jnape.palatable.lambda)
 [![Join the chat at https://gitter.im/palatable/lambda](https://badges.gitter.im/palatable/lambda.svg)](https://gitter.im/palatable/lambda?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)