Modifying application.js.
Added Slider arrows.
Merge branch 'master' of https://github.com/OliverSantosP/MadernaOnRails
Merge branch 'master' of https://github.com/OliverSantosP/MadernaOnRails
Merge branch 'master' of https://github.com/OliverSantosP/MadernaOnRails
Centering views.