Also, add some uninitialized variables into constructors (I like to applease cppcheck).
Also, remove unused md_count.
Fixes#3662.
(cherry picked from commit c89d9720f0)
The other subfolders of tools/ had already been moved to either
editor/, misc/ or thirdparty/, so the hiding the editor code that
deep was no longer meaningful.
(Manual redo of 49c065d29c)
Bojidar Marinov
Rémi Verschelde