Merge tag '3.5.3' into develop

3.5.3
Update tested up to
Changed behavior when spammer is detected during registration process.

The connection will no longer be terminated, but instead it will return an error to the login process. This works better when a plugin uses AJAX for their registration process.
Add compatibility with the plugin Events Manager
Version bump 3.6.0-dev.4
Merge branch 'feature/redo-registration-check' into develop
Version bump 3.6.0-rc.1
Version bump 3.6.0
Merge branch 'release/3.6.0'