rmg_schedule: added voltage check control, hardcoded to turn off at 11.5V
rmg_schedule: syntax errors and debugging
rmg_schedule: added operational_voltage value which is the voltage the system must be at before a site can be turned on.  Hard-coded to 12.5V.
Merge branch 'master' into voltage_control
Corrected ping timeout in rmg.
Merge branch 'master' into pos_conf