fixed avatar image issue when selecting ai decks outside of the default 100 ai decks.

installed a horizontal text scroller for the deck selection screens in normal play
TODO:-> Need to make it smoother transition.  It currently just replaces the text with the new text.

projects/mtg/include/DeckMetaData.h

@@ -39,6 +39,7 @@ public:
   string getDescription();
   string getName();
   string getAvatarFilename();
+  int getAvatarId(int deckId);
   string getStatsSummary();
 
   int getDeckId();