Fixed installer issues.
Fixed installer issues.

eliasp/otrs,crythias/otrs,s7design/otrs,s7design/otrs,muehlbauer/otrs,nilei/otrs,thorsteneckel/otrs,muehlbauer/otrs,s7design/otrs,thorsteneckel/otrs,nilei/otrs,brandonshults01/otrs,xhoy/otrs,mburggraf/otrs,rudy500/otrs,MBRG/otrs,MBRG/otrs,mburggraf/otrs,thorsteneckel/otrs,eliasp/otrs,xhoy/otrs,xhoy/otrs,MBRG/otrs,muehlbauer/otrs,eliasp/otrs,moritz/otrs,muehlbauer/otrs,moritz/otrs,mburggraf/otrs,nilei/otrs,rudy500/otrs,crythias/otrs,thorsteneckel/otrs,xhoy/otrs,s7design/otrs,thorsteneckel/otrs,mburggraf/otrs,MBRG/otrs,rudy500/otrs,linearregression/otrs,linearregression/otrs,rudy500/otrs,s7design/otrs,eliasp/otrs,crythias/otrs,brandonshults01/otrs,moritz/otrs,crythias/otrs,rudy500/otrs,nilei/otrs,moritz/otrs,brandonshults01/otrs,eliasp/otrs,brandonshults01/otrs,MBRG/otrs,crythias/otrs,muehlbauer/otrs,nilei/otrs,linearregression/otrs,linearregression/otrs,brandonshults01/otrs,moritz/otrs,mburggraf/otrs,linearregression/otrs,xhoy/otrs