Create event and revision services
Merge branch 'develop' into feature/log_events
Merge branch 'develop' into feature/log_events
Move migration file into extension location
Add basic page, widget, and CanJS model for Events listing
Update newly added columns to sensible defaults
Added Context model and collection service, as well as updated
permissions checking and test cases to take new representation of
context into account.
Update javascript client to deal with new style context link.
Add person and revision to UI
Add modified_by relationship to ChangeTracked mixin
Removal of directives dropdown from control creation modal
Changed the bottom nav to show sprint 7
Merge branch 'feature/contexts_service' into feature/roles_admin_page
Merge pull request #64 from reciprocity/feature/control_modal_changes

Removal of directives dropdown from the control creation modals.
Merge pull request #65 from reciprocity/feature/bottom_nav_change_s6_to_s7

Changed the bottom nav text to show sprint 7
Include modified_by in findAll
Use eager_query instead of relationship option to load revisions
Merge branch 'develop' into feature/contexts_service
Fix context attrs changing context_id to context.id, per code review.
Removal of kind/type dropdown on create/edit modals (regulations & contracts)