Since several people willing to help already lost their courage during installation - when it was asked to install the 700MB-big SQL database - I have created an install script that automatically creates a minimal Wikidata (OmegaWiki) database.
The steps are explained at the following page:
Instead of several hours, it now takes a few minutes to have a working development version of OmegaWiki.
For those who wants to have a true copy of the OmegaWiki website, with the entire data, this is still possible and explained at:
For those people out there who have been complaining about missing features for the last 5 years or so: I am sure that in 5 years you have had largely enough time to learn PHP and MySql, and you will now be able to easily and happily develop the features yourself!! :-)