add sysctl.conf for FreeBSD 9.0

Add /etc/sysctl.conf example for FreeBSD 9.0-RELEASE
add loader.conf for FreeBSD 9.0

Add /boot/loader.conf example for FreeBSD 9.0-RELEASE
add sysctl.conf for FreeBSD 6.3

Add /etc/sysctl.conf example for FreeBSD 6.3-RELEASE
add locate.rc for FreeBSD

Add /etc/locate.rc example for FreeBSD.
Tested with 9.0-RELEASE.
add registry tweaks for Windows 7

Add some registry tweaks for Windows 7,
http://www.oszone.net/14162/windows_7_tweaks used.
add registry clean-up for Windows 7

Add registry clean-up for Windows 7,
http://www.oszone.net/14162/windows_7_tweaks used.