2.0.21

Bug fixes:

Remove 'eval' from webpack dev config so it also works under IE11 (#602)

Also fix small typo

#529: Re-add missing key attribute (#601)

It was inadvertently removed in commit c6f4383

#593: Use react-redux-loading-bar to show progress (#600)

See https://www.npmjs.com/package/react-redux-loading-bar
Fixes #593

Also remove extraneous page constructor parameter inadvertently introduced to App and Home in commit 54eb19d

#603 Allow report to render when in pending state without an approval step (#604)