[bug][34000] Remove re-definition of table key name. Fixes #3946
[bug][33774] Text property missing searching for tag. Fixes #3929
[bug][33760] JEditor errors on addCustomTag() call when using raw document. Fixes #3716
Adding pt-PT installation language
Updating si-LK installation lang file
[bug][34050] Change message type to 'error' when delete fail JControllerAdmin. Fixes #4042
[bug][33423] Fixing onContentPrepareForm for multilang sites. Fixes #3238