updated exception and error message when we fail to discover
instrument state.
Merge remote-tracking branch 'upstream/master'
case ciswmi-157.  Added code to intrupt test commands when coming
out of DA
Merge pull request #83 from unwin/master

ADCPS-K  ADCPS-I both passing all tests (unit, int, qual)
Merge pull request #84 from wfrench/master

Fixed SBE26 Interupt
push so i can pull
Merge remote-tracking branch 'upstream/master'
workhorse_monitor_150_khz/cgsn UNIT tests passing.