Some comment and code style improvements.
Some comment and code style improvements.

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