added callback to C::WorkList::display() to display requesting username of requested test/panel; removed MooseX::AttributeHelpers from all classes - using Moose::Meta::Attribute::Native syntax}
git-svn-id: https://jti.org.uk/svn/hmds_lims/trunk@1555 4177bd82-f056-0410-812d-caef170e3fa0
