deleted unnecessary product files

* deleted product_controller, product_helper, product/index.html.erb
* deleted product_controller_spec, product_helper_spec
* removed unnecessary routes from routes.rb
scaffolded and migrated testimonials

* validated that name and testimonail must be present
* validated that rating must be between 1 and 5 inclusive
progress on testimonials

* created testimonials database
* create dropdown button
* still need dropdown in nav-bar to work on ALL pages
dropdown menu working on all pages

* background color of images a:hover set
Merge pull request #2 from glassbead0/testimonials_master

Testimonials master