[K12OSN] Lab Monitor ala appleremotedesktop

[cliebow <cliebow downeast net>]

with thanks to rjune bill_c and jammcq i think ihave a hack for vnc on
terminals. Philosophical issues notwitstanding, any of you out there enough of
a python coder to incorporate this into TeacherTool.py or even multiple desktop
views of a "lab from hell.".