reduce image size of blocks & consumables
annie, abed, britta costume reduce
chang, dean, neil, garrett & gilbert reduce
jeff, leonard and pierce reduce
everyone else's costumes reduced
reduce file size enemies, inventory, hud and doors
npcs, materials and overworld reduction
tilesets weapons and misc
sprites shrink file size
Merge pull request #1991 from edisonout/big-enemies

Reduce file size of enemies, inventory, hud and doors
Merge pull request #1992 from edisonout/other-images

Reduces file size for npcs, materials and overworld images
Merge pull request #1993 from edisonout/and-some-more

Reduce file size of tilesets, overworld, sprites & misc
Merge pull request #1988 from edisonout/big-images

Reduce image size of blocks & consumables
Merge pull request #1989 from edisonout/big-images-characters

Reduce file size of costumes