Erwan - cache fixes - Code review highly appreciated, please criticize my code!

- fix issue 65 (quads when no image  load slowly in shop/deck editor)
- Possibly fix issue 92, please let me know if it reproduces
- Fix issue 97 (Deck editor: weird behavior of deck display)
- Fix issue 39 - please verify
- Issue 56 can probably be closed as well
- Fix issue 86

projects/mtg/src/Player.cpp

@@ -24,7 +24,6 @@ void Player::End(){
 
 Player::~Player(){
   SAFE_DELETE(manaPool);
-  resources.Release(mAvatar);
   resources.Release(mAvatarTex);
   mAvatar = NULL;
   mAvatarTex = NULL;
@@ -59,9 +58,9 @@ Player * Player::opponent(){
 }
 
 HumanPlayer::HumanPlayer(MTGPlayerCards * deck, string file, string fileSmall) : Player(deck, file, fileSmall) {
-  mAvatarTex = resources.RetrieveTexture("avatar.jpg",RETRIEVE_VRAM,TEXTURE_SUB_AVATAR);
+  mAvatarTex = resources.RetrieveTexture("avatar.jpg",RETRIEVE_LOCK,TEXTURE_SUB_AVATAR);
   if (mAvatarTex)
-    mAvatar = resources.RetrieveQuad("avatar.jpg",0,0,35,50,"playerAvatar",RETRIEVE_VRAM,TEXTURE_SUB_AVATAR);
+    mAvatar = resources.RetrieveQuad("avatar.jpg",0,0,35,50,"playerAvatar",RETRIEVE_NORMAL,TEXTURE_SUB_AVATAR);
   else 
     mAvatar = NULL;
 }