Merge pull request #2 from hboutemy/intro

add GitPubSub intro into README
tree: 7ce611d3f0f04f82a388f667df099e054302ce2e
  1. src/
  2. .gitignore
  3. LICENSE
  4. pom.xml
  5. README.md
README.md

asf-gitpubsub-jenkins-plugin

See Apache GitPubSub intro.