[1035420] OOB content labels get cut off
This portlet could use some more TLC, but at least now the metric name should
appear in full.  Added some better formatting to the list entries.  Note that
LinkItem.setClipValue(false) needed to be set explicitly despite being the
documented default.

Cherry-Pick master: 99774dccc1a8ed496a0f10e5d9fb1e1bb5ef0adc