added rental agreements routes
added agreements controller
able to submit booking from rental index page
able to submit booking from rental show page
added in controllers owners_agreements which returns rentals with agreements from a specific owner, also added in create listing on the navigation bar
added in controllers owners_agreements which returns rentals with agreements from a specific owner, also added in create listing on the navigation bar
displayed renters name on the rentees info page
Resolved conflicts in user_controller, rentals and user show
Merge pull request #36 from kahny/userRequestingRentalFromRentalIndex

User requesting rental from rental index