Add create event to README
Update Readme # Event
update README as suggests
add create and update user
[66] added index action for events
[#53] Fixed tests.

- user index
- user show
- event create

Broken in b81cfe.
Merge pull request #27 from gotar/tests-fixed

[#53] Fixed tests.
corrections in tests
Merge pull request #26 from gotar/index-event-action

[66] added index action for events
Add uniqueness of email validation error. Update Readme.

API will return HTTP 409 and `'message' => 'User created successfully'` if email in params is not unique.
Update create user spec.

- Add contexts.
- Add test for not unique email address and JSON format.
- Update tests with JSON messages.
Merge pull request #30 from gotar/user-create

Update user create action
limit access
[#68] Add tests to user login

[#68] Add require_param with excluded /login

[#68] Fix indentation in user_login_spec
[#66] Fix calendar.rb for merge
fixed tests
Fix test for user show.
Merge pull request #36 from gotar/fix-tests

Fix tests
[#69] Add relation between User and Event
Merge pull request #37 from gotar/event-user-relationship

[#69] Add relation between User and Event