initial import of xf86-input-mouse-1.9.0

initial import of xf86 input-mouse-1.7.1. important changes include:
adjust for input ABI 12, including fixes for bsd_mouse.c

initial import of xf86-input-mouse-1.6.0. interesting changes:

Update sun_mouse devPrivates code #29049
Bug 10866 - serial Genius NetScroll+ autodetection
Plug minor memory leak.

initial import of xf86-input-mouse-1.4.0