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
Adds popovers explaining fields on sign-up/sign-in
Adds loading spinner on lending dash
Remodels the lending dashboard
Merge pull request #99 from arkadyp/venmologin

Remodels lending dashboard; adds loading spinner
angular timeout, refresh for repay loan
repay refresh attached to promise
added strict tags
added angular reference to app
linted client, adding semicolons and correct spacing
Merge pull request #100 from wgester/master

linting
Create README.md
passes jshint:server
passes jshint on Gruntfile.js