To install:

• Add your hipchat token to src/main/resources/token.txt
• Run sbt clean assembly
• Copy gocd-hipchat-plugin.jar from target/scala-2.10/ to the plugins/external folder on your GoCD server
• Restart the server
• HipChat notification is now available as a task plugin

Environment variables can be inserted into messages using bash $ notation. If the GO_BASE_URL environment variable is set, you can use $BUILD_URL to insert a link to the current build