Merge pull request #11 from jules27/release

Release
Merge pull request #12 from jules27/release

Release
Start working on proper forms for preorder.
Modify preorder page's form to make an array of order_part objects in params.
Modify styling for slider, but it's difficult and maybe shouldn't be done.
Refactor code to change the alignment of quantity so other functions can use it.
Change style on door and window sliders.
Minor font modification in sliders section.
Add and refactor preorder js code to handle changes in the quantity digit correctly.
Wrap up slider changes for preorder page, fix width issues on hardware page.
Merge pull request #13 from jules27/preorder

Preorder
Modify orders and order_parts schemas: change naming of window to window_quantity due to reserved word in Postgres, add id back in orders and make it the primary key. Add hidden fields to # of doors and windows to preorder page so they can be added to orders. Modify controller so that orders and parts can be added to the database.
Remove some debug code.
Fix broken tests.
Merge pull request #14 from jules27/preorder

Preorder
Fix asset pipeline issue for heroku deployment.