[Murmur] Fix reload of SSL parameters when new certificate is generated

* Fix function name
* Also, see https://stackoverflow.com/questions/26858344/trap-not-working-in-shell-script

pica-murmur/entrypoint.sh

@@ -30,7 +30,8 @@ _reload() {
   echo "Caught SIGUSR1 signal!"
   /usr/bin/pkill -USR1 murmurd
 }
-trap _term SIGUSR1
+trap _reload SIGUSR1
 
 # Run murmur
-murmurd -fg -v -ini $CONFIG_FILE
+murmurd -v -ini $CONFIG_FILE
+wait