Issue #2314865 by Crell: Standardize contact entity route names.
Issue #2314877 by Crell: Standardize menu link entity route names.
Issue #2314887 by Crell: Standardize shortcut entity route names.
Issue #2314871 by Crell: Standardize Entity module entity route names.
Issue #2314867 by Crell: Standardize comment entity route names.
Issue #2312367 by lokeoke, dawehner: Add a getUuid() method for content menu links, to not have to use getDerivativeId().
Issue #2313397 by tim.plunkett: Replace FormBuilderInterface::setValue() with FormStateInterface::setValueForElement().
Issue #2306539 by swentel, alexpott, sun: Fixed FieldUnitTestBase::createFieldWithInstance() pollutes test class with arbitrary properties.