Issue #14 - Started adding controller, views and rspec to manage user accounts.
Issue #14 - Updated tests for User controller, routing, and groups.
Issue #14 - Updated show view to remove extraneous tracking information.
Issue #14 - Re-ordered columns on index page.
Issue #14 - Initial completed support for User account administration.
Merge pull request #16 from alim/Issue_14

Issue 14
Merge branch 'Issue_5'
Issue #5 - Added subscription model tests, updated subscription attribute types, added relationship between User and Subscription