Really fix POD in Delta

Apparently my grasp of POD is not very good
Merge branch 'stable/2.10'

This constitutes the 2.0901-TRIAL release.
fix double =back caused by merge
bump version req to get CPAN::Meta fixes, "level" feature
why was this just copied and pasted in
Remove ancient, bunk tests

    This test is apparently ensuring that Perl does not use the same
    address for two objects with non-overlapping lifetimes. Which is a
    useless test because Perl *should* be optimizing for such things.

    The test is also from 2006 (commit message "foo") and is failing
    on Travis, so there's no real reason to keep it around.
make it more clear these headings are actually links to more docs
these examples are not comprehensive, either
Clarify that extends attempts to load classes
bump version to 2.1003 - the first real 2.10 release