Change in how mysql/postgresql databases are named in 2.3.11

[Phil Longstaff]

If you have downloaded 2.3.11 and are using a mysql or postgresql
backend with it, then gnucash will *not* automatically load your
database when you start gnucash.  This is due to a change in how the
database reference is formatted internally (to make more consistent).
Instead, you will need to explicitly use File -> Open to open the
database.  After this, it should load automatically.

Phil