card_fields rewrite and magic-modules.mse-include (#21)

Overhauls the card_fields file to allow for template designers more freedom in manipulating data.

Adds magic-modules.mse-include, a large scale include file for building templates in a standardized way. Applying this to existing frames will be coming in future updates.

data/magic.mse-game/loyalty/menu_choice_images

@@ -0,0 +1,5 @@
+choice images:
+	none:				/magic.mse-game/loyalty/none.png
+	loyalty:			/magic.mse-game/loyalty/loyalty.png
+	defense:			/magic.mse-game/loyalty/defense.png
+	shadow:				/magic.mse-game/loyalty/shadow.png

data/magic.mse-game/loyalty/menu_choice_images_cost

@@ -0,0 +1,8 @@
+choice images:
+	none:		/magic.mse-game/loyalty/none.png
+	anti ult:	/magic.mse-game/loyalty/loyalty cost anti ult.png
+	+:			/magic.mse-game/loyalty/loyalty cost +.png
+	0:			/magic.mse-game/loyalty/loyalty cost 0.png
+	-:			/magic.mse-game/loyalty/loyalty cost -.png
+	ult:		/magic.mse-game/loyalty/loyalty cost ult.png
+	shadow:		/magic.mse-game/loyalty/loyalty cost shadow.png