creating user mailer with loan invitation
send an email with loan invitation
basic send loan invite spec
Merge branch 'master' of github.com:akshatpradhan/lending_round

Conflicts:
	app/controllers/notes_controller.rb
adding devise and devise invitable to user model
removing unused controller methods
using devise invitable mailer in notes#create
show notes as borrower in user profile
passing specs for invite feature
fixing login button, fix specs
readding json boilerplate for new/create actions
Merge pull request #17 from adamico/invite_feature

allow note creator (the lender) to invite the borrower