Issue #2145077 by TR, longwave: Fix about a zillion spelling errors, mostly in comments

core/includes/bootstrap.inc

core/includes/common.inc

core/includes/install.core.inc

core/lib/Drupal/Component/Annotation/Plugin.php

core/lib/Drupal/Component/Gettext/PoStreamReader.php

...lib/Drupal/Component/Plugin/PluginInspectionInterface.php

core/lib/Drupal/Component/Utility/Number.php

core/lib/Drupal/Component/Utility/Unicode.php

core/lib/Drupal/Component/Utility/Url.php

core/lib/Drupal/Core/Asset/CssOptimizer.php

core/lib/Drupal/Core/Controller/ExceptionController.php

core/lib/Drupal/Core/Entity/Query/Sql/Tables.php

...Core/EventSubscriber/SpecialAttributesRouteSubscriber.php

core/lib/Drupal/Core/Template/TwigEnvironment.php

core/misc/tableheader.js

...ules/ban/lib/Drupal/ban/EventSubscriber/BanSubscriber.php

...s/block/lib/Drupal/block/Tests/Views/DisplayBlockTest.php

core/modules/content_translation/content_translation.module

core/modules/datetime/lib/Drupal/datetime/DateHelper.php

core/modules/dblog/lib/Drupal/dblog/Tests/DbLogTest.php