* Ability to invert padlook
* Use some common analog stick tricks to smooth out movement/speed ranges.

git-svn-id: http://mancubus.net/svn/hosted/eternity/trunk@2495 86ba831e-150c-0410-ab35-e06eaae15ed9
* Added vanilla and Thrustmaster Firestorm Digital 3 profiles
* Re-enabled ability for "speed" to affect axes. Turn on autorun if you want always-fast behavior (which IMO is best for analog devices)
* Added ability to selectively invert axes via g_axisorientation1-8 vars, which will save in keys.csc along with other profile parts.
* Added mn_padtest for testing out gamepads (not integrated to gamepad menu yet...)
* SDL turns out to use MMSYSTEM and not DirectInput, so, all refs to it were removed from comments.

git-svn-id: http://mancubus.net/svn/hosted/eternity/trunk@2496 86ba831e-150c-0410-ab35-e06eaae15ed9