Ignore the file 'compile' auto-generated by my AutoTools setup
test-multilineargeometry: add test for non-linear case
test local() and global() outside the reference element
Do not assert that all Newton iterates of the 'local' method remain inside the reference element

Because there is no mathematical reason why they should do that, and
in fact they don't.

Closes: FS 1466 (https://dune-project.org/flyspray/index.php?do=details&task_id=1466)