Extend JoyGetPos in the WinMM wrapper to output status for all button…

…s, even though only 4 buttons are allowed, per documentation.

Incorporate a release packager fix from Infra.

Implement customization of deadzone and saturation properties via con…

…figuration file settings.

Limit DIPROP_VIDPID to only those versions of DirectInput that actual…

…ly support it.

Completed implementation and testing of mouse axis mapper parsing fro…

…m a configuration file. Updated documentation.

Properly integrate force feedback type-specific parameter flexibility…

… into the DirectInput interfaces.

Automatically invoke Acquire() on DirectInput device objects when the…

… application attempts certain operations that require acquisition and the application has not explicitly invoke Acquire() previously.

Fixed an initial controller state bug. Default properties need to be …

…applied immediately when a new controller object is created so that attempting to get state before physical input returns correct values that make sense to the application.

Resolved a minor parsing error-checking issue and updated documentati…

…on for release.

Removed "unreleased" tags from element mappers ahead of release.