Fait en sorte de ne jouer le son qu'une seule fois au chargement (#15)

js/app/views/sound.js

@@ -43,6 +43,8 @@ define("views/sound", function(require) {
                 if( !/iPhone|iPad|iPod/i.test(navigator.userAgent) ) {
                     this.$el.find(this.ui.btnPlay).click();
                 }
+
+                this.model.set('selected', false);
             }
         },
         toggleSound: function(e) {

js/app/views/sounds.js

@@ -32,11 +32,12 @@ define("views/sounds", function(require) {
         onBeforeRender: function() {
             var sound;
 
-            if( this.slug ) {
+            if( !!this.slug ) {
                 sound   = this.collection.findWhere({file: this.slug+".mp3"});
 
                 if( sound ) {
                     sound.set('selected', true);
+                    this.slug   = "";
                 }
             }
         },