move parfait into register

register layer uses parfait models to generate object space
so parfait  should be part of register (not above it)

lib/register/parfait/page.rb

@@ -0,0 +1,15 @@
+
+# A Page (from the traditionally a memory page) represents a collection of
+# objects in a physically form. Ie the page holds the memory or data, that
+# the objects are made up of.
+
+# Pages have a total size, but more importantly and object size.
+# All objects of a Page are same sized, and multiples of the smallest
+# object. The smallest object is usually a cache line, 16 bytes or
+# an exponent of two larger.
+
+module Parfait
+  class Page < Object
+
+  end
+end