93_DbLog.pm: added support for configDB


git-svn-id: svn://svn.code.sf.net/p/fhem/code@5612 2b470e98-0d58-463d-a4d8-8e2adae1ed80
THZ: new readings

git-svn-id: svn://svn.code.sf.net/p/fhem/code@5613 2b470e98-0d58-463d-a4d8-8e2adae1ed80