Merge pull request #5 from avifoxi/add-devise

Add devise
add todo list for today, add index page title
implemented basic donation form and create method
Merge pull request #6 from alancohen/paypal

implemented basic donation form and create method
delegate user fields to rider_reg for easy display
add rider partial for index display
add goal and raised to rider_regs table in new migration
add goal and raised to seed file data
add percent of goal method to rider_reg
add donate now link to rider page from each display
flesh out navbar with rider_reg creation options
add new rider_reg view
add fields to rider_reg form
add strong params for rider_reg, add goal to rr form, remove nesting from rr create in routes
ammend seed with avi + alan users, add bio to rider reg
add full name method to rr model
add bio to seeds, and show
add donors method to rr, return array of donor objects
add donor partial, revise routes for rr donation
add link to rr show -> donation