made first macro
added macros and shared example for queue items controller
add macros and shared example to review controller spec
refactored using macros
cleaned up controller specs with macros and shared examples
add capybara and feature spec for user log in
add featrue spec for interacting with the queue
remove unnecciary code
Merge pull request #6 from doug7410/week_3_part_2

Week 3 part 2