- add `report` and `set` subcommands to the git plugin - move configuring the DOKKU_DEPLOY_BRANCH to the git plugin - implement configurable GIT_REV support - migrate DOKKU_DEPLOY_BRANCH settings - add a golang-compatible, shell based method of setting plugin configuration variables Deprecates the community dokku-git-rev plugin. Closes #2621 Refs dokku-community/dokku-git-rev#9