Upnp BugFix

Fixed bad behaviour which prevented upmpdcli to have hostname assigned if Shairport was not enabled
Using SOX for handling SPOP Output

Using SOX for handling SPOP Output, this allows output device to be changed
Update settings.php
Update settings.php
Dhcp client fast boot fix on Wlan
Samplerate Converter Selector fix by nhouison
Merge remote-tracking branch 'upstream/master'