Merge pull request #4 from SyntaxError2014/backend

Backend
Added more functionality to the users repository
Refactored a method for the categories repository
before DAL
Merge branch 'dal' of https://github.com/SyntaxError2014/DelightGenie into nbi
Added VMs for the Admin sections + minor refactoring
before DAL
Merge branch 'dal' of https://github.com/SyntaxError2014/DelightGenie into nbi
User interface for employee done(main functions)
Merge branch 'nbi' of https://github.com/SyntaxError2014/DelightGenie into nbi
Merge pull request #5 from SyntaxError2014/nbi

Major backup