Feature
* feat: install django security middleware for STS and XCTO HTTP headers (1097)
* Added X type content and STS headers
* added csp
* Removed CSP, to add in a different PR
* codeclimate fix
* updated dependencies
* Revert &34;updated dependencies&34;
This reverts commit 899bc2b071bb9e982d93b4824dccdac059b4ec02.
* removed security, using django security middleware to set XTCO
* removed security app ([`7ab9182`](https://github.com/ocadotechnology/codeforlife-portal/commit/7ab918297d5681ef170befdb25933cd25c7429e1))
Unknown
* 2.20.0 ([`3857418`](https://github.com/ocadotechnology/codeforlife-portal/commit/38574189b110e111ce3be96aaf3957ac1bd70f6b))