put nav_bar in partial
add responsive design for nav bar
make slider icons bigger, and smaller for responsiveness
take out outline for selected slider
add cursor pointer
make nav bar fixed
slider removes mens/womens items if not wanted
add validations and test for product departments
Complete setting preferred department

* Call #masonry on remove
* Implement ajax post routes for each slider, setting the preferred_dept value in session hash
Refactor using ProductController with ProductControllerHelper module
Change total_products_returned to 5 instead of 10
fixing merge conflicts
Merge pull request #32 from ShopIt2Me/gender_routes

Gender routes