Added multi inserts on ArticleSearchIndexBuild.
Added multi inserts on ArticleSearchIndexBuild.

mburggraf/otrs,mburggraf/otrs,rudy500/otrs,xhoy/otrs,mburggraf/otrs,rudy500/otrs,xhoy/otrs,mburggraf/otrs,mburggraf/otrs,rudy500/otrs,xhoy/otrs,rudy500/otrs,xhoy/otrs,xhoy/otrs,rudy500/otrs