Reduces the visibility of all fields to private and create setters/getters
when necessary. Exceptions are fields with GuiSync as these need to be
public.
Reduces the visibility of internal methods to private/protected/default when possible.
Outsources the encoding of the compass data into the file name
Written tests for the encoding
Did some internal cleaning of the class
Conflicts:
src/main/java/appeng/block/solids/BlockSkyStone.java
src/main/java/appeng/core/WorldSettings.java
src/main/java/appeng/core/features/registries/PlayerRegistry.java
src/main/java/appeng/core/sync/network/NetworkHandler.java
src/main/java/appeng/core/worlddata/PlayerMapping.java
src/main/java/appeng/core/worlddata/PlayerMappingsInitializer.java
src/main/java/appeng/services/CompassService.java
src/main/java/appeng/worldgen/MeteoritePlacer.java
src/main/java/appeng/worldgen/MeteoriteWorldGen.java