Switch OpenShift to Java 7
Fixed a user-room mapping bug. Implemented get messages request handler,
partially implemented pull request history.
Merge pull request #2 from slovit/Get-Endpoint-Implementation

Fixed a user-room mapping bug.
Configured platform independent line endings
Updated wecome pages
Documentation markup fix
Commit to fix line endings
Integrated Swagger
Merge pull request #4 from slovit/feature/swagger-configuration

Integrated Swagger