removed SimulationHandler
delete canceled and erroneous simulations in SimulationTask
added some logs
more logs to find out, why progress is delayed
added log to measure time in SimulationTask
PMO-2823: quartz no longer needed
PMO-2823: quartz no longer needed
allow models without Model-postfix
PMO-2838: started work
fixed bug
fixed tests
Merge branch 'master' into 1.9.x