Reverts changes to DashboardController in 443daecdcb34543e410695ecfe402790795620ff.

- Fixes a failing testin DashboardControllerTest
- Adds the user back to template data
- The user that was removed was a reference to the user mapper converted to an array
Adds method to session mock to get tests passing again.
Merge pull request #142 from mdwheele/bugfix-reverts-user-global-changes

Bugfix reverts user global changes