moving invite filter to separate module
updating to newer liquibase version
changing concept of immune roles which are directly associated to commands to immune roles which are immune against certain effects. these effects can be configured directly by the command (and a condition checks this effect), but they can be used in services as well, unrelated to commands
adding checks to not execute message received listeners for the wrong message types
adding metric support for 502 status
fixing duplicating help entries when two module definitions with the same key are present
not longer immediately instantiating the feature flag instance when a new server is found, but only when its config is changed or when a feature mod has its config changed
fixing error handling in installer
merging change sets to larger operations
adding check constraints
fixing suggestion id handling
applying naming conventions to various columns
adding indices to tables
adding user in server and user locking
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
