Version 0.82

• updated signal-cli to v0.13.0
• add recipient parameter to /v2/send endpoint (#428)
• pass JAVA_OPTS environment variable through to signal-cli in json-rpc mode - thanks to @kleptog

This is a pre-release. If you want to give it a try, use the following docker image tag: bbernhard/signal-cli-rest-api:0.143-dev