Set a timeout of 3 seconds after the S3 keys have been authorized so the buckets can be displayed to the user.
Escape special characters when searching for contributors
Extended time out for S3 keys to load.
Add assets task for convenience

So updating will be consistent on this release branch and develop:
$ inv assets
$ sudo service uwsgi restart
fix the warning
regression test added
Merge pull request #1378 from chennan47/feature/view_only_link_banner_fix

Feature/view only link banner fix
Merge branch 'master' into release/0.22.0
Merge branch 'release/0.22.0' of https://github.com/CenterForOpenScience/osf.io into release/0.22.0
Merge branch 'lyndsysimon-hotfix/footer-safari' into release/0.22.0
Merge branch 'hotfix/0.21.37'
Merge branch 'master' into release/0.22.0
Merge branch 'hotfix/0.21.38'
Merge branch 'master' into release/0.22.0
Merge branch 'huangginny-feature/search-contrib-escape' into release/0.22.0
Merge branch 'release/0.22.0' into develop
Remove duplicate assets task
Merge branch 'caseyrollins-feature/s3-loading-icon' into release/0.22.0
Merge branch 'release/0.22.0' into develop

Conflicts:
	website/addons/s3/templates/s3_node_settings.mako
Merge branch 'develop' of github.com:CenterForOpenScience/osf.io into feature/treebeard