Starting to arrange for the tests to be distributed in binary distributions.
The basic tests will be incorporated as strings into the binary image M2, and
the other tests will be run by M2 itself, rather than by "make", which may
not exist on the user's machine.

In this step we move the basictests into the d directory and incorporate them
as strings into the binary, without changing them.
    Starting to arrange for the tests to be distributed in binary distributions.
    Part 2.
Can now run the basic tests with:
    M2 --check 1