CSV export (draft; zoom not right).
Fixed zoom-fit errors; modified various apps.
Fixed clipwarn to give the correct point when the initial max/min are in fact the global max/min.
General purpose map-based transfer.
Re-arranaged transerfs and aggregators.  Removed inspectable due to limited use and issues with type-checked implimentations.
Merge branch 'master' into spark
urther spark work.
expanded config options.