Change Settings and About pages

Added Media tab in About
Language and notifications settings

PlantBox.Client/PlantBox.Client.Android/MainActivity.cs

@@ -6,6 +6,7 @@ using Android.Runtime;
 using Android.Views;
 using Android.Widget;
 using Android.OS;
+using Acr.UserDialogs;
 
 namespace PlantBox.Client.Droid
 {
@@ -20,6 +21,9 @@ namespace PlantBox.Client.Droid
             base.OnCreate(savedInstanceState);
             global::Xamarin.Forms.Forms.Init(this, savedInstanceState);
             LoadApplication(new App());
+
+            // Acr
+            UserDialogs.Init(this);
         }
     }
 }