Make servus copyable
Merge branch 'master' of https://github.com/Eyescale/Lunchbox
Fix avahi threading issues correctly (#148):
* Remove double lock which should have lead to deadlocks
* Also lock avahi on OS X
* Add missing lock in isAnnounced()
* Disable broken dnssd avahi implementation
Merge pull request #149 from eile/master

Fix avahi threading issues correctly