Added handling of Sig TERM to stop scheduler process correctly
Added handling of Sig TERM to stop scheduler process correctly

muehlbauer/otrs,s7design/otrs,linearregression/otrs,crythias/otrs,crythias/otrs,oiami/otrs,crythias/otrs,eliasp/otrs,thorsteneckel/otrs,MBRG/otrs,eliasp/otrs,mburggraf/otrs,mbeijen/otrs-1,noritnk/otrs,moritz/otrs,xhoy/otrs,MBRG/otrs,StCyr/otrs,rudy500/otrs,xhoy/otrs,moritz/otrs,PortgasDAce/otrs,PortgasDAce/otrs,noritnk/otrs,noritnk/otrs,moritz/otrs,s7design/otrs,balazj/otrs,eliasp/otrs,nilei/otrs,rudy500/otrs,nilei/otrs,MBRG/otrs,PortgasDAce/otrs,linearregression/otrs,vlascoder/otrs,eliasp/otrs,PortgasDAce/otrs,nilei/otrs,StCyr/otrs,s7design/otrs,balazj/otrs,brandonshults01/otrs,oiami/otrs,balazj/otrs,PortgasDAce/otrs,mburggraf/otrs,mburggraf/otrs,balazj/otrs,thorsteneckel/otrs,mburggraf/otrs,xhoy/otrs,mbeijen/otrs-1,vlascoder/otrs,vlascoder/otrs,balazj/otrs,rudy500/otrs,nilei/otrs,brandonshults01/otrs,mburggraf/otrs,muehlbauer/otrs,crythias/otrs,muehlbauer/otrs,oiami/otrs,MBRG/otrs,muehlbauer/otrs,thorsteneckel/otrs,thorsteneckel/otrs,capeit-tto/otrs,muehlbauer/otrs,thorsteneckel/otrs,StCyr/otrs,rudy500/otrs,xhoy/otrs,eliasp/otrs,MBRG/otrs,brandonshults01/otrs,mbeijen/otrs-1,brandonshults01/otrs,capeit-tto/otrs,rudy500/otrs,capeit-tto/otrs,s7design/otrs,linearregression/otrs,crythias/otrs,linearregression/otrs,StCyr/otrs,oiami/otrs,nilei/otrs,StCyr/otrs,moritz/otrs,linearregression/otrs,s7design/otrs,moritz/otrs,xhoy/otrs,brandonshults01/otrs,oiami/otrs