learning circles
coordinate study groups for online courses
bump p2pu-components to include learning circle cards UI improvements
update api with cities, ordering on LCs, add caching, update signup page
Merge branch 'past_lcs' of github.com:p2pu/learning-circles into past_lcs
Merge pull request from p2pu/bug_fixes
Bug fixes
update test for truthy value
Fix conflicting migration
Return 404 rather than 410 for deleted learning circles
update p2pu-components to fix build error
change availability field to dropdown and fix error messaging
strip whitespace in search query to fix (also fixed on p2pu-components)
create learning circle deleted page and set up redirects
update test for truthy value
Fix conflicting migration
Return 404 rather than 410 for deleted learning circles
update menu with new contact url
Bump elliptic from 6.4.0 to 6.5.3
Bumps [elliptic](https://github.com/indutny/elliptic) from 6.4.0 to 6.5.3.
- [Release notes](https://github.com/indutny/elliptic/releases)
- [Commits](https://github.com/indutny/elliptic/compare/v6.4.0...v6.5.3)
Signed-off-by: dependabot[bot]
Use free open source version of tinyMCE
add tinymce apikey to settings.py
