Merge pull request #6 from AlexZerr/products

Products
Not right but made Paintings#index @user=current_user. (sadface)
Add cucumber and capybara.
Add delete functionality to paintings, Change absoulute paths to open in new tab
Merge branch 'master' of github.com:AlexZerr/bonediva
Add javascript for removing images as admin on all paintings page
Clean up some styles
Error message on Product#new and show.
Make painting on Products#show linkable.
Add Products#index if you are an admin you will be able to view them.
Add link to products_path if is admin in the sidebar.
Dry up displaying pictures.
Add products/edit, and work on Products#edit.
Product#destroy funtionality
Merge branch 'products' of github.com:AlexZerr/bonediva into products