doku changed

git-svn-id: svn://svn.code.sf.net/p/fhem/code@4968 2b470e98-0d58-463d-a4d8-8e2adae1ed80
DbLog: added ShutdownFunction


git-svn-id: svn://svn.code.sf.net/p/fhem/code@4969 2b470e98-0d58-463d-a4d8-8e2adae1ed80