Revert "Added custom modules and files"

This reverts commit 8543e0e912236f0a7e6f141ab6b6b0fd5ed01f2f.
Added version for the webtrees 1.4x branch.
Start development for webtrees 1.5.0
New option: Media Menu in topmenu.
Fix: see http://www.webtrees.net/index.php/en/forum/4-customising/28343-changing-the-top-menue-in-the-justblack-theme#41590
Corrections on menulinks for medialist.
Updated language files for 1.5.0 release
Update readme and changelog files for 1.5.0 release