Support renaming case sensitively in `DC_Folder` (see #5522)
Always load MooTools in debug mode (see #5518)
Remove the `pathconfig.php` file in the install tool if the path does not match (see #5428)
Preserve the file mounts if a user enters a wrong password (see #5529)
Skip links to news/events if the target page has not been published (see #5520)
Update all language files
Set the release date and bump the version numbers
Merge branch 'hotfix/3.0.6' into develop

Conflicts:
	system/config/constants.php
	system/docs/CHANGELOG.md