Issue #1300528 by mcdruid, Chris Charlton: Allow URLs of 255 characters in the url form element to match data model.
Issue #1810556 by marktheshark, christinawithout, BWPanda and q0rban: fix title tags when hiding title text.
Issue #1948722 by PatRedmond: Display the link to the configuration form on the modules page.
Do not use URL for the icon-path, as that will add language and other prefixes.
Update the hook name for the icon styles alter in the documentation.
Fixing missing variable in follow_css.
Adding test to make sure the CSS menu callback works properly.
Adding some initial tests.
