Riizade/config file (#520)

* 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

src/net/server/channel/handlers/AbstractDealDamageHandler.java

@@ -28,6 +28,7 @@ import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 
+import config.YamlConfig;
 import net.AbstractMaplePacketHandler;
 import server.MapleStatEffect;
 import server.TimerManager;
@@ -462,7 +463,7 @@ public abstract class AbstractDealDamageHandler extends AbstractMaplePacketHandl
                             
                             int threeSnailsId = player.getJobType() * 10000000 + 1000;
                             if(attack.skill == threeSnailsId) {
-                                if(ServerConstants.USE_ULTRA_THREE_SNAILS) {
+                                if(YamlConfig.config.server.USE_ULTRA_THREE_SNAILS) {
                                     int skillLv = player.getSkillLevel(threeSnailsId);
 
                                     if(skillLv > 0) {