* Revert "Fix some icon names changed by the Font Awesome 5. (#8796)"
This reverts commit 3f9ec3de82c1a3879a2b092672f51c1caca76f5c.
* Revert "Migrate to font-awesome 5.0. (#8799)"
This reverts commit 8bae14591bfb4fc9dd9d89d8082ac0123b03edaa.
* Revert "Fix some icons names, unavailable in fontawesome5 (free license). (#8792)"
This reverts commit b9c727a945fea5afffb3e3a53279164adfc6e88f.
* Revert "Update the icon name changed by the Font Awesome 5. (#8776)"
This reverts commit 17af4d27da484fc35ecd4b4dce2443d24aa35d23.
* Revert "Add bot icon to bot avatars and migrate to newer version of Font Awesome (#8484)"
This reverts commit 4b794e134d427dbc716606324adb9a885a74abec.
* Redesign landing page (again)
* Move login form in small version to the right column
* Display closed registrations message
* Add site setting for the hero image
* Fix test
* Increase spacing, maximum width, change call to action section
They were redundant, and also had a inconsistency; the button for
"other instances" had an icon for the external link in "more" page, but
it didn't in the other pages.
This unifies the implementation, and the external link icon is now shown
in all the about pages.
