Merge pull request #340 from nodesocket/retirement

Show API secret key in settings page.
Fix grey text color
Clean up what we display for card/bank-account info
Reorganize activity routes/templates
Not sure how this got lost - spinner while loading more results
Fix displaying escrow amount
Redirect old iframe pages to new activity pages
Fixes #164 - put marketplace settings on the right route path
Comment out nonfunctional elements of web hooks until we take care of #190
fixes #336 - Add sign-in button to start page
Put download link back in
Fix naming issue with marketplace settings
Take out activity page downloads, since they don't work
Refactor modal component, add pay seller modal
Take out debugger statement
Make modals consistent with downloads
Styling for pay seller modal
Add test for pay seller modal
jshint
Merge commit 'a447ea27d21e7ad27eb4cd7a0499e0c6415288a7'