v1.2.0

Added

• Adds HTTP bot.
• Adds Slack backend.
• Adds a RESTful API store.
• Adds a store implementation that mirrors writes to the backing store to another, separate, store implementation.
• Allows chat service implementations to indicate support for user termination.
• Adds the ability to start with an empty action configuration.
• Allows version placeholder to be used in plugin files.

Changed

• Moves plugins to single directory.
• Changes Maven artifact names for plugins.