category e1 Full written paper- Refereed Proceedings, author initiated pt.9/7/13. Abstract also published separately in vol.1 (p133) -MA 31/7/13. -- Full-text (whole proceedings) added to Dark upload for ERA2018, 26.3.18--MM Added relevant pages 27/3/18 JG. HERDC documentation added to dark upload - HD 6/10/20