Add initial support for Google Analytics

conf/configuration.go

@@ -32,6 +32,7 @@ type configOptions struct {
 	CoverArtPriority string
 	CoverJpegQuality int
 	UIWelcomeMessage string
+	GATrackingID     string
 
 	// DevFlags. These are used to enable/disable debugging and incomplete features
 	DevLogSourceLine           bool
@@ -81,6 +82,7 @@ func init() {
 	viper.SetDefault("coverartpriority", "embedded, cover.*, folder.*, front.*")
 	viper.SetDefault("coverjpegquality", 75)
 	viper.SetDefault("uiwelcomemessage", "")
+	viper.SetDefault("gatrackingid", "")
 
 	// DevFlags. These are used to enable/disable debugging and incomplete features
 	viper.SetDefault("devlogsourceline", false)