Added "uploader" and "status" methods for Screenshot class

app/models/screenshot.rb

@@ -22,9 +22,24 @@ class Screenshot < ActiveRecord::Base
     end
   end
 
+  def uploader
+    # TODO: Implement the ownership of images
+    "Anonymous"
   end
 
+  def status
+    text = ''
+    # Completes the sentence: "This image…"
+    if self.approved
+      text <<'is public'
+    else
+      text <<'has to be moderated before being publicly visible'
     end
 
+    if self.markedfordelete
+      text <<' (and was requested to be removed)'
+    end
+
+    text
   end
 end