S000: Adding metadata and context objects. Stubbing in more tiles

Change-Id: I3f698e7453769e10186783e6945d0e76a7da8b7b
S000: Add a very basic metadata display to the test renderer

Change-Id: Iac0833122bd53673abc1a3b805120e6442d58bf0
S000: stubbing in slicing methods

Change-Id: Id337a46a37d413fa5962d6ae91f93a5a78946d93
Merge pull request #8 from autowitch/working

Working