fixed Lava offset on one lava tile.
Fixed contrast issue with dirt surrounding pools of water/lava
Merge pull request #36 from wushin/cave2-fix

Cave2 tileset art fixes
043-3:

	* adding music.
	* renaming map.
043-1:

	* adding minimap.
	* adding music.
	* moving dest. location of warp to 043-3 one tile.
	* rename Slime Hive to Sandy Dungeon, Slime Hive can be located at e.g. 45,126.
009-3 & 013-3:

	* replaced some corner tiles with the correct tile.
	* moved tiles from Ground to Over and replaced them with floor.

013-3:
	* renamed empty layer Cliffs to Ground2.
	* moved all x1 tiles from Fringe to Ground2.
	* moved x2 tiles from Over to Fringe
	* Fixed issue presented at https://github.com/themanaworld/tmwa-client-data/issues/25