populate zeroconf/avahi/bonjour records via json api (#419)

* start of integrating a bonkour service browser

* some experiments

* blub

* bonjour browser via jsonrpc ...

* fix indention

* - make leddevice as component
- extend sysinfo with domain
- add more data for  bonjour browser (e.g. split domain and hostname)

* code cleanup

* add translation

* use component names instead of ids

* fix compile

src/hyperiond/main.cpp

@@ -1,6 +1,7 @@
 #include <cassert>
 #include <csignal>
 #include <unistd.h>
+#include <stdlib.h>
 
 #ifndef __APPLE__
 /* prctl is Linux only */
@@ -60,6 +61,8 @@ void startNewHyperion(int parentPid, std::string hyperionFile, std::string confi
 
 int main(int argc, char** argv)
 {
+	setenv("AVAHI_COMPAT_NOWARN", "1", 1);
+
 	// initialize main logger and set global log level
 	Logger* log = Logger::getInstance("MAIN");
 	Logger::setLogLevel(Logger::WARNING);