Performance Test fixes

* SpritePerfTest: 3 new tests added
* SpritePerfTest: random() always use the same seed
* SpritePerfTest: Fixed tests 8 and 9 on retina display machines
* Console: Added 3 new commands: 'config', 'fileutils dump', 'textures'
Merge pull request #5063 from ricardoquesada/performance_test_fixes

Performance Test fixes