Merge branch 'teltek/master'
failovermic plugin added
	new file:   galicaster/plugins/failovermic.py
fixed audio_track number issue
	modified:   galicaster/plugins/failovermic.py
removed manchester specific code from failover mic plugin and updated conf-dist.ini with failovermic configuration
	modified:   conf-dist.ini
	modified:   galicaster/plugins/failovermic.py
Merge pull request #102 from ts23/f/failovermic_rm_manc

Added failover plugin