Added easier to read failed connection message

CHANGELOG.md

@@ -9,6 +9,7 @@ MumbleDJ Changelog
 * Added `!setcomment` which allows admin users to set the comment for the bot.
 * Made "Now Playing" notification and `!currentsong` show the playlist title of the song if it is included in a playlist.
 * Added ability to connect to Mumble server using a PEM cert/key pair. Use the commandline flags `cert` and `key` to make use of this.
+* Added an easier to read error message upon unsuccessful connection to server.
 
 ### February 3, 2015 -- `v2.4.1`
 * Made it possible to place MumbleDJ binary in `~/bin` instead of `/usr/local/bin` if the folder exists.

main.go

@@ -15,6 +15,7 @@ import (
 	"github.com/layeh/gumble/gumble"
 	"github.com/layeh/gumble/gumble_ffmpeg"
 	"github.com/layeh/gumble/gumbleutil"
+	"os"
 	"os/user"
 )
 
@@ -163,7 +164,8 @@ func main() {
 	// moment.
 	dj.config.TLSConfig.InsecureSkipVerify = true
 	if err := dj.client.Connect(); err != nil {
-		panic(err)
+		fmt.Printf("Could not connect to Mumble server at %s:%s.\n", address, port)
+		os.Exit(1)
 	}
 
 	<-dj.keepAlive