Initial Checkin of Code for Importer/Exporter console, and support files.
Avoid failing when images are not imported
Nullref fix
Avoid crashing when someone clicks on (No Parcel) before logging in
Updated PrimMesher from https://github.com/lkalif/PrimMesher
Added Collada export
Fixed Location for Importing.
When importing, properly set at a distance above the user's head of 3.5 Meters.  This is only when the user doesn't specify a Location in which to rez it at.