Added two more screenshots

_data/features.json

@@ -1,6 +1,6 @@
 [{
 	"title": "Multi language support",
-	"image": "",
+	"image": "translations.png",
 	"description": "Vocaluxe supports many different languages - If your language isn't avaialable just start translating it!"
 },
 {
@@ -25,7 +25,7 @@
 },
 {
 	"title": "Smartphone control",
-	"image": "",
+	"image": "smartphone.png",
 	"description": ""
 },
 {