Added default status for users. Closes #113
Status is now registration_status all over the app
Added more code to bootstrap task to deal with upgrade cases.

Added add_admin task
Added activate and suspend methods to users
Admin controller now uses suspend and activate methods
Making Ruby happy
Removed first and last name. Using full_name_or_username instead of full_name everywhere now
Merge pull request #116 from gabceb/kandan_113

Added default status for users. Migration from 1.0 works.