Added explicit checks for JS dependency and configuration data availability.
Added explicit checks for JS dependency and configuration data availability.

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