Force extension enable added.
Postgresql notification crash fixed.
Postgresql date problem fixed.
Extension  dependency installation command now uses --allow.
Postgresql automatic install added.
Default postgresql configuration updated.

-Liman now gather render_engine from it's autobuild repository to prevent clang problems in multiple operating systems.
-Ubuntu 18.04, 20.04 server support added.

1.4 dev

Hotfix for default variables.

Render Engine Fixes

Render engine messages simplified.
Render engine address configuration added.
Dependencies updated.
System service now ignores chown errors to be able work with mounted systems.

Merge upsteam changes.