change text input layout and copy of loan calculator
change copy of create loan button
change text input layout and copy of loan calculator on notes/new
add loan summary placeholder for news/new
add leading paragraph to lender/borrower information
make create promissory note button big and visible
add lead blurb and horizontal line to header on notes/new
change copy for certain fields of the note
change test case for generate a loan button
Merge pull request #27 from akshatpradhan/copy_fix

improve copy, content and layout of home page and notes/new