Database specific connection parameters in Gnome-DB control center

I spent my last free moments to finish improving the user experience with the Gnome-DB control center, and finally it’s not up to the user to remember which parameter each database requires to open a connection. The control center now offers a much better GUI for that.

The following screenshots show before and after situations when defining a new data source and specifying connection parameters (for a MySQL connection):

and when reading and modifying a data source (for a PostgreSQL connection):