Added content_id and content_alternative to article_attachment table.
Added content_id and content_alternative to article_attachment table.

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