Remove Padded module

Parfait was depending on it, ie it created a dependency out of Parfait. But Parfiat needs to be self contained.
Moved 2 methods into parfait object, and resolved single call from text_writer to third.

lib/risc/parfait_adapter.rb

@@ -99,7 +99,7 @@ class Symbol
     l
   end
   def padded_length
-    Padding.padded( to_s.length + 4)
+    Parfait::Object.padded( to_s.length + 4)
   end
 
 end