This changeset fixes a huge pile of problems, as indicated in the
error log of the Doxygen run after merging all the recent Doxygen improvements
unfortunately, auto-linking does still not work at various places.
There is no clear indication what might be the problem.
Possibly the rather unstable Sqlite support in this Doxygen version
is the cause. Anyway, needs to be investigated further.
makes the test logs way more readable
Believe me: no one will ever notice a "TODO"
entry in the logs, when it showed up for
more than some months.
Thus I've created some new tickets, mostly
tagged as "QA" and placed the ticket number
at the corresponding locations in the source
