More tweaking of Planeswalkers.

Added Planeswalker type and World supertype to Magic game.
Converted frames in futureshifts and planeswalkers to jpg format.

git-svn-id: svn://svn.code.sf.net/p/magicseteditor/code/trunk@682 0fc631ac-6414-0410-93d0-97cfa31319b6

data/magic.mse-game/game

@@ -1293,6 +1293,9 @@ word list:
 	word:
 		name: Snow 
 		is prefix: true
+	word:
+		name: World 
+		is prefix: true
 		line below: true
 	word: Creature
 	word: Artifact
@@ -1301,6 +1304,7 @@ word list:
 	word: Instant
 	word: Sorcery
 	word: Land
+	word: Planeswalker
 
 word list:
 	name: race