Extended JSON schema for User and added schema for Users
Adds simple service as a module
Improves simple service definition
Adds ability to pass configuration options into simple service
Adds express as a dependency to simple service, passes in app reference
Adds simple GET responder to simple service
Adds UserService and begins implementation with GET
Fixes issue with GET and reference to express
Adds root to list of UserService options
Moves DELETE verb into UserService
Moves GET collection to UserService
Moves PUT to UserService and adds JSON validator
Moves POST to UserService and cleans web.js
Disallows additional properties in User entities
Loads User JSON schema from file
Fixes issue with file load