Chunk Bug Fixes

Added chunk.setChunkModified() to other classes that were missing it. We
have several copies of setBlockDirectly() spread around that needed
updating. Also made pockets use FoR instead of glowstone. =P

src/main/java/StevenDimDoors/experimental/MazeBuilder.java

@@ -230,5 +230,6 @@ public class MazeBuilder
 		}
 		extBlockStorage.setExtBlockID(localX, y & 15, localZ, blockID);
 		extBlockStorage.setExtBlockMetadata(localX, y & 15, localZ, metadata);
+		chunk.setChunkModified();
 	}
 }