Instead of the new_intrusive<T>() functions, use intrusive(new T)

This means we no longer need 8 different functions for different numbers of arguments, and non-const references can now also be passed to constructors without problems.

git-svn-id: svn://svn.code.sf.net/p/magicseteditor/code/trunk@1443 0fc631ac-6414-0410-93d0-97cfa31319b6

src/data/add_cards_script.cpp

@@ -34,7 +34,7 @@ void AddCardsScript::perform(Set& set, vector<CardP>& out) {
 		// is this a new card?
 		if (contains(set.cards,card) || contains(out,card)) {
 			// make copy
-			card = new_intrusive1<Card>(*card);
+			card = intrusive(new Card(*card));
 		}
 		out.push_back(card);
 	}