Update models.md

Changed the taskId,eventId,userId lenth to 36
Updates device generated id fields and exposes them in JSON
Merge branch 'master' of github.com:techiev2/HaywireAPI

Conflicts:
	models.md
Adds information for events end point request/response patterns
Adds remove user flow for Event.event_update
Merge branch 'master' into events
Merge pull request #15 from techiev2/master

Adds Event.event_update changes for user removal flow and fixes payload keys
Merge pull request #16 from techiev2/events

Merge pull request #15 from techiev2/master
Merge branch 'events' of github.com:techiev2/HaywireAPI into events
Readme changes for events end point requests/response
Merge branch 'events'
Fixes ambiguity in /events/:<POST> requests
Typo fix
Merge branch 'master' into users