gerbera: backport init and config changes from master

Signed-off-by: Rosen Penev <rosenp@gmail.com>

multimedia/gerbera/files/gerbera.config

@@ -1,3 +1,6 @@
 config gerbera config
 	option enabled	'0'
+	option debug	'0'
+	option user	'gerbera'
+	option group	'gerbera'
 	option home	'/tmp/gerbera'

multimedia/gerbera/files/gerbera.init

@@ -7,32 +7,42 @@ PROG=/usr/bin/gerbera
 
 start_service() {
 	local enabled
+	local debug
+	local user
+	local group
 	local home
 
 	config_load 'gerbera'
 	config_get_bool enabled config 'enabled' '0'
+	config_get_bool debug config 'debug' '0'
 
 	[ "$enabled" -eq 0 ] && {
 		echo "Gerbera not enabled. Please enable in /etc/config/gerbera"
 		return 1
 	}
 
+	config_get user config 'user' 'gerbera'
+	config_get group config 'group' 'gerbera'
 	config_get home config 'home' '/tmp/gerbera'
 
 	[ -d "$home" ] || {
 		mkdir -p "$home"
-		chown gerbera:gerbera "$home"
+		chown "$user":"$group" "$home"
 
 		gerbera -m "$home" -f '' --create-config > "$home/config.xml" 2> /dev/null
+		chown "$user":"$group" "$home/config.xml"
+		chmod 600 "$home/config.xml"
+
 		echo "Created default gerbera config at $home/config.xml"
 		echo "Please edit to your liking and restart."
 		return 2
 	}
 
 	procd_open_instance
-	procd_set_param user gerbera
-	procd_set_param group gerbera
+	procd_set_param user "$user"
+	procd_set_param group "$group"
 	procd_set_param command "$PROG" -c "$home/config.xml"
+	procd_set_param stdout "$debug"
 	procd_set_param stderr 1
 	procd_close_instance
 }