Added List::Util::XS to check if Scalar::Util is installed in the required c version.
Fixed bug#10103 - ArticleTypeID is always undef in AgentTicketCompose.
Applied QA suggestions on fix for bug#9959 - & breaks ExpandCustomerName.
Fixed install commands for List::Util::XS.
Merge remote-tracking branch 'upstream/master' into otrs-master