#6 Initial replacement
#6 Document does not use Managers anymore - everything still expects it to, though
#6 Convert logical event stuff
#6 Fix last few things to get tests to compile
#6 Various Event fixes
#6 Bring event tests back up to passing
#6 Fully test Quorum registration
#6 Ensure that Document.FromFile populates groups
#6 Update Timestamps code to be compatible with zero-manager style
#6 Remove manager package entirely
#6 Remove references to managers
#6 Add warning label about read-only Document fields
#6 Fix formatting
#6 Remove Manageable interface
#6 'git add' missed some file deletions
#6 Support Unregistering