Add the beastie_disable variable which allows to turn the beastie boot menu on and off.
Add the beastie_disable variable which allows to turn the beastie
boot menu on and off.

Reviewed by:	scottl

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase