[ros-diffs] [sginsberg] 43912: - Fix support for /CRASHDEBUG and /NODEBUG; we didn't respect those settings properly and would initialize KD at boot even if they were set. - Re-enable the breakpoint in vDbgPrintExWithPrefixInternal() as this works properly now. Without this breakpoint some break-in requests got lost if the break-in occurred when handling a debug print (happened a lot at boot). - Implement Command String support for DbgCommandString() -- we now handle every debug service call. - Implement Nt