0.4.0 Catching up

This release is motivated mainly by the will to make new features in the new-lg4ff module more easy to test. But there's also other improvements.

• The user interface elements have been rearranged for more clarity and a modernized style.
• User interface controls that correspond to unavailable settings are left disabled.
• Added application icon for the desktop.
• Steering wheel tests integrated into the application. No need for external applications.
• The wheel range can be modified using the buttons in the wheel. The buttons can be configured.
• Added overlay window that shows the wheel range over the game screen.
• Changing compatibility modes is faster now.

The following features are also available when using the new-lg4ff module:

• Combine accelerator and clutch in the same axis. Useful for flight simulators.
• Adjustable conditional effects levels: spring, damper and friction.
• Real-time monitoring of total force effects applied using the wheel leds and/or the overlay window.
• Adjustable global force feedback gain that gets combined with the gain set by applications.