Updating fmod for Windows to latest version (4.44.44)
Removing unnecessary clear impacting performance
Fixing issue #34: The game does not fully support Xbox 360 controller.
Reducing feature level requirement for d3d device creation (now Level 10_0 instead of 11_0) and accordingly reducing requirements for shader compilation (sm_4_0 instead of sm_5_0).
Merge pull request #2 from kengonakajima/d3d_optim

feature level and pad and more tuning