moved delay loops to udelay.c
renamed -d (debugging) switch to -v (verbose)
new switch -d to calibrate delay loop
'Delay' entry for HD44780 back again
delay loops will not calibrate automatically, because this will fail with hich CPU load
git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@47 3ae390bd-cb1e-0410-b409-cd5a39f66f1f
