Fixes #16767: upgrade_unattended script is no longer working.
In an attempt to get MantisBT / MantisTouch redirection to work better on mantishub.com several issues were fixed.

Fixes #16768: Default mantistouch_url correctly when MantisTouch is installed in 'm' subfolder.
Fixes #16769: MantisTouch redirect can break soap api based on user agent sent.
Fixes #16770: Redirect from MantisBT issue to MantisTouch should go to the same issue page on MantisTouch.
Merge pull request #99 from vboctor/upgrade_unattended

Fixes #16767: upgrade_unattended script is no longer working.
Merge pull request #100 from vboctor/mantistouch_redirect

MantisBT / MantisTouch redirect improvements
Localisation updates from https://translatewiki.net.
Retain inherited category when moving issue to sub-subproject

Prior to this, the category would be reset to default when moving an
issue more than one level down the project hierarchy, even though all
subprojects are set to inherit categories from their respective parents.

Thanks to lukasd for identifying the issue and providing the fix.

Fixes #16182
Localisation updates from https://translatewiki.net.
Fix #11785: Comment for access_compare_level in access_api.php is bogus