finalise chapter 6
Make a basic user model (including secure passwords
Merge branch 'modeling-users'
Fixed my URI GET users/1 - issue with route and controller.
Chapter 7 User signup, demonstrates use of debug method for a set environment, w/ Sass mixin for UI. Demonstrated REST URI use in routes for user model. Testing with factories library/gem. Creating helper classes and changes to stylesheet and also form_for helper method constructing form based on the Active Record or model intended