Replace reference members and constructor parameters with raw pointers in
RigContourMapProjection and subclasses. Remove cvf::ref usage in
RigEclipseContourMapProjection. Add updateRealizationData() to allow
swapping active cell info and result data per realization without
rebuilding the grid mapping.
* Fix overwrite of value thresholds
* Fix performance issue with filtered values
* Add "Delete All Polygons" from the polygon collection
* Add area threshold where user can specify area cutoff
Magne Sjaastad
jonjenssen