Bug#4076 - Ability to disable mod_exec on a per-directory basis.
Merge branch 'master' into exec-execenable-per-directory-bug4076
Updates NEWS, release notes, mod_exec docs (typo) for Bug#4076.
Merge pull request #21 from proftpd/exec-execenable-per-directory-bug4076

Bug#4076 - Ability to disable mod_exec on a per-directory basis.