Merge pull request #92 from wgester/master

adds borrow view, fixes navbar
Merge pull request #93 from wgester/master

added about route, template and controller
Merge pull request #94 from wgester/master

repaid loan button is hidden on pending
adds Venmo API to transactions
completes transaction for loan repayment over Venmo
adds field to package.json to configure stub for Venmo transaction (for testing without making actual transactions)
stubs out venmo in package.json, adds db connection loss event listener to return 503
Merge pull request #95 from caasjj/integration

Adds option to stub out Venmo in package.json, listens for database connection loss and returns 503 - service not available
Minor style fix in header
Fixes div overflow in button group
Styles lend dashboard
Styles loanSnippet.html
Merge pull request #96 from juanmarinbear/master

Styling for different views
uses findOne instead of find in controllers/users.js/login
Merge pull request #97 from caasjj/integration

uses findOne instead of find in controllers/users.js/login
Updates borrower's karma on successful loan repayment
Merge pull request #98 from brendonv/dev

Updates borrower's karma on successful loan repayment
Adds error message on failed sign in
Adds error message to sign up page
Adds popovers explaining fields on borrow form