* added POJO + yaml file
* made config members public
* switched to yaml
* modified files to use YamlConfig over ServerConstants
* removed constants from ServerConstants
* removed unused imports
* removed unused import
* removed world ini
* removed now unused .ini files
* fixed docker-launch.sh
* added jackson dependency JARs
* fixed errors
* removed unused server config values, added world defaults
* don't use env variables for docker
* fixed package imports/specifiers for js files
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