Adds banner, centers back bottom on lending dash
Refactors loanSnippet display in lending dashboard
Updates loan dashboard to display user image
Only enlarges user photo url if user is found in dashboard cntrl
Centers "sign up w/ venmo" text in user dash
Adds banner to loan detail view
Changes button on loan details view
Merge pull request #79 from arkadyp/venmologin

Updates view for lending dashboard and loan detail