This feature is useful when replaying debug dumps, as only a very small
subset of tile cells are usually dumped (hence numerous cells are not
known).

The previous name was confusing as another mechanism for debugging also
use the term 'dump' for something not related to interpolator reuse.

Conflicts:
	src/test/java/org/orekit/rugged/intersection/duvenhage/MinMaxTreeTileTest.java

Fixes issue #189