adding signed_by_borrower/lender fields to note
allow signing a loan unless already done, specs
specs: borrower signs, forms are hidden if either party has signed
Merge pull request #15 from adamico/sign_a_loan

sign a promissory note
adding note factory
basic spec for loan list
adding link to user profile in layout, specs pass
make note belong to user at creation
show notes list in user profile page, specs pass
Merge pull request #16 from adamico/loan_list_on_profile

user profile page with link to loan
creating user mailer with loan invitation
send an email with loan invitation
basic send loan invite spec
Fix attribute name collision
Change parameter from new_note to note for consistency
Handle note parameters in the URL
Merge pull request #19 from sguha00/new-note

Loan details filled out in root_path are automatically populated in notes/new
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