876: Add Swagger for openlmis-auth

Test Case #:876	Test Case Name: Add Swagger for openlmis-auth
System: OpenLMIS	Subsystem: auth
Test case designed by: Paulina Borowa	Design Date: 04.08.2016
Short description: Add Swagger to openlmis-auth service.

Pre – conditions:

Step	Action	Expected system response	Comment
1	Request a token from authentication service with some rest client	Status 200 OK
2	Check if on: http://localhost:8080/index.html?acces_token=... swagger site work correctly
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