[FIX] 0023326: Newly created content style are lacking background images AND 0023641: HTML export of ilias learning module leads to error (#1198)

fixed bug #23640: Images using imagemaps are wrongly scaled; this bug is also on the agenda due to the use of the patched directory and the general process

[FIX] 0023056: ilUtil::rCopy doesnt work with symlinks (was ilUtil::rcopy breaks, if dir contains "./")

fixed #23324: internal links a not updated on copying the parent container (i.e. course) for learning modules

* possible fix for mantis bug 0022951

* possible fix for mantis bug 0022951

* Remove css files

* fixed usage of absolute path

Allow mdl upload

Allow tar upload

[fix 0023451] fix query for postgres (field-aliasing)

[fix 0022914] ALT 3: starting a test fails in pg-installation

* fix/0022914/5-3/postgres-001:
  [FIX] 0022914: Squashed commits of @lbruening

fixed bug #22800: Glossary ADV Metadata not shown in term lists

Fixed 0023580: Forum: Drafts for forum postings not deleted from database if the thread will be deleted

Forum: Fixed #23606 (User alias containing ")" in forum thread leads to error message and thread no longer accessible)

Bugfix: 0023524: SQL Performance in Services/Logging

sorting