- Remove unused variables from s2io_nic structure

- Changed the memory failure printk messages to print only in debug mode

- Updated the copyright messages

(Resending; due to patch being corrupted)
Signed-off-by: NSantosh Rastapur <santosh.rastapur@neterion.com>
Signed-off-by: NJeff Garzik <jeff@garzik.org>