- Change CONNECT_DATA to DEV_CONNECT_DATA

- Change CONNECT_DATA to DEV_CONNECT_DATA
- Add the last bit to the usb mouse driver to make it functional - recognition by mouclass.sys, and sending input data to it
- Misc small changes

Now USB mouse works in 2nd stage (you need to add usbdriver.sys as a legacy driver to the registry certainly)

TODO, but not of the top priority:
- Make unloading correct

svn path=/trunk/; revision=24369