Start abort

Following new flags have been recently intoduced

 /Experiment/Prevent start on alarms
 /Experiment/Prevent start on required progrs

These flags are created automatically and preset to n. If set to y, the run start procedure will fail if an alarm has been triggered or if a required program is not running. Programs can be flagged required by setting

 /Programs/<name>/Required

to y. Typically the logger and all front-end programs should be required programs.