Issue #2016629 by larowlan, neclimdul, sun, alexpott, jibran, ParisLiakos, donquixote, effulgentsia, msonnabaum: Refactor bootstrap to better utilize the kernel.
Issue #578400 by aaronschachter, melsi, Gábor Hojtsy, valthebald, idflood, sign, Damien Tournoud: Fixed Display the page title, even if 0.
Issue #2257587 by fietserwin: Remove  parameter in calls between and within Image and toolkit.
Issue #2282153 by vijaycs85: Make all config.storage.active &  config.storage.file services private.
Issue #2183417 by kgoel, alimac: In Sql Rename Views properties to core standards.
Issue #2214057 by g3r4: Remove obsolete LanguageManagerInterface::init() method.
Issue #1671498 by g3r4, Jorrit: Fixed Docs of template_preprocess_html() refer to wrong hook.
Issue #2077979 by cilefen, plopesc: Modernize filter.module forms: use $this->t().
Merge remote-tracking branch 'origin/8.x' into mink-testing-2232861-larowlan