Add manufacturer drop down to product form & add bootstrap styling to select box
Refactor on bootstrap form builder to style select drop down
Update bootstrap form builder with list of form helpers
Add specs and integration specs WIP
Fix product integration spec
Merge branch 'master' into LinkProductManufacturer

* master:
  Add scope and test
  Add spec
  WIP
  WIP
  Add scope and test
  Add spec
  WIP
  WIP

Conflicts:
	app/models/product.rb
	app/views/manufacturers/show.html.slim
	app/views/products/index.html.slim
	app/views/products/show.html.slim
Fix merge issue and added more specs