v0.2.4d: added name initials for identified potions and scrolls

src/com/shatteredpixel/shatteredpixeldungeon/items/potions/Potion.java

@@ -56,6 +56,8 @@ public class Potion extends Item {
 		"Are you sure you want to throw it? In most cases it makes sense to drink it.";
 	
 	private static final float TIME_TO_DRINK = 1f;
+
+	protected String initials;
 	
 	private static final Class<?>[] potions = {
 		PotionOfHealing.class, 
@@ -269,6 +271,10 @@ public class Potion extends Item {
 			"This flask contains a swirling " + color + " liquid. " +
 			"Who knows what it will do when drunk or thrown?";
 	}
+
+	public String initials(){
+		return isKnown() ? initials : null;
+	}
 	
 	@Override
 	public boolean isIdentified() {