Fix relight and removelight (#475)

* Start work on lighting engine (does not build)

* Implement getLighting

* Setting, flushing light etc works. Getting light should be working..?

* Better queue/chunk handling

* Use correct location for lighting update

* Correct set location, remove debug

* cleanup a little

* Fix fixlight

* Apply to all versions for the numpties

* Remove lighting extent if not using

* Actually bitmask blocks when setting in chunks

* Initialise Maps and Dequeues with inital size

* format

* Documentation maybe

worldedit-core/src/main/java/com/boydti/fawe/beta/IChunkGet.java

@@ -26,6 +26,12 @@ public interface IChunkGet extends IBlocks, Trimable, InputExtent, ITileInput {
     @Override
     BlockState getBlock(int x, int y, int z);
 
+    @Override
+    int getSkyLight(int x, int y, int z);
+
+    @Override
+    int getEmmittedLight(int x, int y, int z);
+
     default void optimize() {
 
     }