added scaling to piv surface
bugfix in point probe & turbulence tools if array has nans
added generateDiagnosticStatistics to point probe. includes now only a cumulative average
Merge branch 'development' into dev-piv
bugfix: updated setup to install PIV dll
updated to Surface class. Added dictionary and fields
Surface Bugfix: extent changed from tuple to list
Surface List: added option step to load surfaces
updated Surface with new fields and PIV functionality
Merge branch 'development' into dev-piv
Merge branch 'dev-piv' into development