guid addition added [MJ-529]
tests and renaming [MJ-529]
Merge branch 'master' of github.com:DirectEmployers/MyJobs into user-guid
unique fields and minor changes [MJ-529]
LazyAttribute added to UserFactory so user_guid is made with every call [MJ-529]
added comment [MJ-529]
Merge pull request #350 from DirectEmployers/user-guid

User GUID [MJ-529]