State Machine
Fix development lock.
HolidayRequest show page.

- Added audit for HrHolidayRequest model.
- Added timestamps for all other models.
Call events for state machine from client.
Fix load order.
Some ability stuff.
Update abilities.
Fix features.
Holiday Request states.
Holiday Requests page.
Merge branch 'holiday_requests' into holiday_workflow
My Holiday Requests page.

- Sort users by lastname for edit page
- Separate components
Fix tests.
Holiday Request page features.
Add title to the holiday requests.
Some specs.
Holiday Request Specs.
Settings page.
State Machine
Fix development lock.