Add basename, date, dd, dirname to the plan9 template
Add basename, date, dd, dirname to the plan9 template

Signed-off-by: Ronald G Minnich <f569d0af9a3481c4007b95c7180d6c41009f2513@gmail.com>

u-root/u-root,hugelgupf/u-root,u-root/u-root,hugelgupf/u-root,hugelgupf/u-root,hugelgupf/u-root,u-root/u-root