Imprintables and more iteration 3

Remove deleted_at from specs and models, use paranoia gem
Remove sleep(1)
Replace let with given in feature specs
Remove DatabaseCleaner.clean from spec
Extend imprintable_variants spec
Add specificity to spec titles
In imprintable_variant.full_name, swap size and color
Instantiate @variants_hash in imprintable controller and pass to views
On creation, imprintable_variants default to being checked
Replace 'Stock Keeping Unit' verbage with 'SKU'
Brand and Color/create no long post variables in the url
Replace the hard coded 'Jack Koch' with salesperson.full_name in orders list
Remove real emails from seeds
Spec update, show, edit, create, and update_imprintable_variants for imprintable controller
Merge branch 'develop-david' of https://github.com/AnnArborTees/softwear-crm into develop-david