DANGER: committed work-in-progress to handle examination of jtag devices without IDCODE. I think this works, but I may have to pull that change out again...

added alive_sleep() to avoid warnings when resetting target(fixes incomprehensible error timeout error messages in GDB).



git-svn-id: svn://svn.berlios.de/openocd/trunk@941 b42882b7-edfa-0310-969c-e2dbd0fdcd60