ENIGMA2: minor improvements to logging

git-svn-id: svn://svn.code.sf.net/p/fhem/code@4403 2b470e98-0d58-463d-a4d8-8e2adae1ed80
add new module ONKYO_AVR

git-svn-id: svn://svn.code.sf.net/p/fhem/code@4404 2b470e98-0d58-463d-a4d8-8e2adae1ed80