Improved caching to also cover thirdparty css and js files.
Improved caching to also cover thirdparty css and js files.

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