Test namespace reorganization

Change-Id: Iaa6e0a83602720aa1e20c4b2ef4d46370123b167
Initial work on rewriting the subpagelist rendering code

Change-Id: I1300d6bec40ec29a6192c0a73e960e36a8e446d5
Added SubPageCountTest

Change-Id: Iacf1c84d9ba56810722773d5432c2577c816e4f7
Added SubPageListTest

Change-Id: Iea0c7d42b7648c34a5a598baa48e9efaec559820
Work on SubPageList class

Change-Id: I015dc15842ce6d4ece27427313c7cfa054286c74