init
use the correct dbo
remove core.js
clean up language filter: remove unneeded "if (!$this->default_lang)"
Merge pull request #4318 from okonomiyaki3000/tables-using-wrong-dbos

Use the injected dbo when referencing a Table object from another table. Fixes #4318.
Improvements for updates, per the comments in gh-5296. Fixes #5319.
Merge pull request #5531 from HermanPeeren/PR-language-filter

clean up language filter: remove unneeded "if (!$this->default_lang)"
Filtering in User Manager was broken in Postgres. Fixes #5436.
Update sample_brochure.sql
Merge branch '5484' into staging
Merge pull request #5115 from dgt41/_form_jq_com_newsfeed_frontend

Introduce jquery formvalidator for com_newsfeed ::frontend