removed android platform test around resetting of assets when the graphics device is lost. this fixes a problem in microsoft xna where the label textures are lost and never recreated.
changed sort to use qsort per advice from Ricardo.
Merge pull request #324 from Cocos2DXNA/SPRITE_BATCH_QSORT

changed sort to use qsort per advice from Ricardo.
Array walking optimizations in CCNode to make node by tag lookup O(logN) instead of O(N). This change gets us 1.4 seconds on 16,000 nodes for the remove test.
added performance output for the node performance tests.
added zoom-click behavior like CCMenuItemLabel.
Fix for issue #325
Merge pull request #326 from Cocos2DXNA/FIX_ISSUE_325

Fix for issue #325