adding http and hash service
adding ability to add default emotes to a message to message service
adding message embedded listener to wrap the embedded event
adding custom channel groups which can be defined by modules, in case a change on a channel group (only created and updated) happens a listener is available in order to sync the state in dependant areas
changing command receiver re-throwing abstracto runtime exceptions in order to display them better
changing channel group parameter handler to throw an exception in case the channel group was not found
adding User in a server parameter handler
split channel not found exception to be able to differentiate between not found in database and not found in guild
changing exception handling in command received handler to handle the case for only one parameter handler future which failed (the whole single future failed, which was not reported)
changing parameter type of `removeFromChannelGroup` to AChannel in order to be able to delete channels in the database via ID
moving method to mock utils for mocking consumer
removing parameter validation from commands, as it should be done in the command received handler and parameter handlers anyway
fixed some table names to be singular
migrated templates to separate repository
added seed data to initial version in liquibase migrations instead of property files (post targets, emotes etc) and created some default tables containing those default values
added separate artifacts to be used containing only the liquibase config
added shell script as a wrapper for ansible deployment, to handle an environment variable defining whether or not the deployment should be executed
added logback scan period
added licenses for ansible, liquibase, docker and docker-compose
