Model preset overrides, Optional region search

Created by: sonninnos

Major:

• Model presets can be customized with config files Closes #285 (closed)
• Region forcing via filename tags is optional, default is enabled

Minor:

• No-Intro tags added to region forcing
• Corrections to real NTSC behavior (aspect ratio toggle, statusbar position)

Bonus:

• Core option for defaulting/setting D-Pad control mode (Joystick/Mouse)