Merge branch 'master' into power-ups
Merge branch 'more-configuration'
Merge branch 'master' into power-ups
specify modifier color in config
added modifier applied animation
added modifier removed animation
Merge branch 'power-ups'
Merge branch 'master' into more-configuration
moved the floor setup into the configurations, made walls explicitly specify whether they're visible

Prior to this change, only moving walls were shown.