Creating the detail view controller

Signed-off-by: Jovi Nel <jnp.parilla@gmail.com>
Create an instance of the presidents view in the first level controller

Signed-off-by: Jovi Nel <jnp.parilla@gmail.com>
Finished the chapter, implements "return" in keyboard to focus on next textfield

Signed-off-by: Jovi Nel <jnp.parilla@gmail.com>