Changes

|1: https://github.com/edgi-govdata-archiving/web-monitoring-ui/issues/407<br>2: https://github.com/edgi-govdata-archiving/web-monitoring-ui/issues/411 <br>3: https://github.com/codelab-fun/codelab/issues/1033<br>|1: https://github.com/edgi-govdata-archiving/web-monitoring-ui/pull/414<br>2: https://github.com/edgi-govdata-archiving/web-monitoring-ui/pull/421<br>3: https://github.com/codelab-fun/codelab/pull/1163<br>|1: https://jatinoopensource.wordpress.com/2019/10/01/lab-4-first-pull-request/ <br>2: https://jatinoopensource.wordpress.com/2019/10/04/lab-5-the-second-pull-request/#more-149 <br>3: https://jatinoopensource.wordpress.com/2019/10/18/lab-5-third-pr/ <br>