Added support for custom colors for graphs;

Moved 'choice colors' from styel to field, split into 'choice colors' and 'choice colors cardlist';
Added support for pie graphs (no gui to use them, though);
Fixed bugs caused by selecting a card before the set was changed on all panels.

git-svn-id: svn://svn.code.sf.net/p/magicseteditor/code/trunk@336 0fc631ac-6414-0410-93d0-97cfa31319b6

src/gui/set/cards_panel.cpp

@@ -340,3 +340,8 @@ void CardsPanel::selectCard(const CardP& card) {
 	notes->setValue(card ? &card->notes : nullptr);
 	Layout();
 }
+
+void CardsPanel::selectFirstCard() {
+	if (!set) return; // we want onChangeSet first
+	card_list->selectFirst();
+}