check if the data connection to the Pioneer AV receiver is still up
player commands are now available for more inputs
"play" was not in the drop down list of available set commands

git-svn-id: svn://svn.code.sf.net/p/fhem/code/trunk@6170 2b470e98-0d58-463d-a4d8-8e2adae1ed80
70_PIONEERAVR.pm: more input presets (spotify, mhl, hdmi7, hdmi8), inputs are now queried from 1 - 59
71_PIONEERAVRZONE.pm: bugfix:logging, set input

git-svn-id: svn://svn.code.sf.net/p/fhem/code/trunk@6171 2b470e98-0d58-463d-a4d8-8e2adae1ed80