added ticket history type Subscribe and Unsubscribe
added ticket history type Subscribe and Unsubscribe

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