Support for extra card fields in stylesheets;

Fixed some bugs:
 - Missing choice images can crash mse.
 - The wrong style is used for making preview choice images on style panel.
FOR_EACH(x, *y.z) should now work without parentheses on linux as well.

git-svn-id: svn://svn.code.sf.net/p/magicseteditor/code/trunk@389 0fc631ac-6414-0410-93d0-97cfa31319b6

src/gui/control/graph.cpp

@@ -79,7 +79,7 @@ GraphData::GraphData(const GraphDataPre& d)
 			}
 		} else if (a->order) {
 			// specific group order
-			FOR_EACH_CONST(gn, (*(a->order))) {
+			FOR_EACH_CONST(gn, *a->order) {
 				UInt count = counts[gn];
 				a->groups.push_back(GraphGroup(gn, count));
 				a->max = max(a->max, count);

src/gui/control/native_look_editor.cpp

@@ -192,7 +192,7 @@ StylingEditor::StylingEditor(Window* parent, int id, long style)
 {}
 
 void StylingEditor::showStylesheet(const StyleSheetP& stylesheet) {
-	setStyles(set->stylesheet, stylesheet->styling_style);
+	setStyles(stylesheet, stylesheet->styling_style);
 	setData(set->stylingDataFor(*stylesheet));
 }