update version name

Change-Id: I128e34d385d41be92da7aba91759ecf7170cda6a

Ring/Ring/Constants/Constants.swift

@@ -167,5 +167,5 @@ public class Constants: NSObject {
                                                "#607D8B"]
     public static let MAX_PROFILE_IMAGE_SIZE: CGFloat = 512
 
-    public static let versionName = "Astarte"
+    public static let versionName = "Εἰρήνη"
 }