Removed parent elements foreach loop in _mdInitialize()
Added compability with mpblog
Bugfix Firefox: Drag & Drop file upload doesn't work
Revert "Added compability with mpblog"

This reverts commit c582d96249e37d9dc2e230ebb6d447acd59b568e.
Merge branch 'master' into develop

* master:
  Revert "Added compability with mpblog"
  Bugfix Firefox: Drag & Drop file upload doesn't work
  Added compability with mpblog
  Removed parent elements foreach loop in _mdInitialize()