refs #68 WIP
refs #68 added paid controller, views for payments made
refs #68 #69 removed payment controller
refs #69 added received controller,views for creating Received payment
added test cases for paid, received controller
updated schema
Merge branch 'master' into payment

Conflicts:
	app/mailers/user_mailer.rb
	db/schema.rb
refs #68 #69 some cosmetic changes on payments form
modified Gemfile
refs #81 added vendor model
refs #81 added migration to add vendor id, and seed data for vendor
refs #81 added rake for vendor association