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-modules.mse-include/casting-costs/card_fields

@@ -0,0 +1,18 @@
+card style:
+	casting cost:
+		right:				{ casting_cost_right_1() + nameline_offset_left_1() + nameline_offset_width_1() }
+		top:				{ casting_cost_top_1() + nameline_offset_top_1() }
+		width:				{ casting_cost_width_1() }
+		height:				{ casting_cost_height_1() + nameline_offset_height_1() }
+		alignment:			middle right shrink-overflow
+		visible:			{ (not nameline_disabled_1()) and not casting_cost_disabled_1() }
+		always symbol:		true
+		font:
+			name:				MPlantin
+			italic name:		MPlantin-Italic
+			size:				{ name_font_size() }
+			color:				black
+		symbol font:
+			name:				{ styling.casting_cost_mana_symbols or else "magic-mana-large" }
+			size:				{ name_font_size() }
+		z index:			920