Merge pull request #5 from SonarBeserk/master

fixed missing returns
register forgotten listener
Merge branch 'master' of github.com:andrepl/BuildInABox
fixed not saving replacedBlocks on shutdown
fixed syntax error in messages.yml
fixed incorrect message key for building-complete
fixed fireworks on pickup error
cleaned up selection messages
even better selection messages
updated Schematica dependency version
better position selection messages