- add api_version to keyboard and ps2mouse
- remove some excessive debugging comments from random
- add back the last 2 NULL's for the device_hooks structure now we
actaully define them (iovec's are now available)
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@273 a95241bf-73f2-0310-859d-f6bbb57e9c96