add build dependency for worldedit
Add addSpawn and setSpawn commands.
freeze players in paused or prestart worlds
Change spawn array to ArrayList.
Add addSpawn() and setSpawn() to SpawnManager.
initial import of worldmanager code from LinearLogic
Merge branch 'game-start' into worldManagement
Add CommandParser internal class to SimpleSurvival
Add onCommand override to SimpleSurvival.
handles spectators
Add a check for existance of world settings.
Add check for spawns length for setSpawn.
Add default WorldSettings.
Fix plugin.yml.

Spawn commands were misnamed.
Change setSpawn command to changeSpawn.
Add output for successful spawn commands.
1-index changeSpawn command.
merge of spawncmd
fix regression of GameManager
Add check for arguments in changeSpawn command.