Issue #2221699 by mpdonadio, mikey_p, alexpott, kim.pepper, arlinsandbulte: HTTP_HOST header cannot be trusted

Revert "Issue #2221699 by mpdonadio, mikey_p, kim.pepper, arlinsandbulte: HTTP_HOST header cannot be trusted"

This reverts commit 2c9eddf3.

Issue #2221699 by mpdonadio, mikey_p, kim.pepper, arlinsandbulte: HTTP_HOST header cannot be trusted

Issue #2304949 by mpdonadio, cilefen, znerol, klausi, gaurav.goyal, regilero: Port HTTP Host header DoS fix from SA-CORE-2014-003

Issue #2303673 by dawehner, damiankloip, effulgentsia, Fabianx: Implement stackphp; cleanup handlePageCache() and preHandle()

Issue #2016629 by larowlan, neclimdul, sun, alexpott, jibran, ParisLiakos, donquixote, effulgentsia, msonnabaum: Refactor bootstrap to better utilize the kernel.

Issue #2284111 by alexpott, Berdir, damiankloip: Fixed Exceptions caught and printed from index.php should not return a 200 status code.

Revert "Issue #2016629 by larowlan, neclimdul, sun, alexpott, jibran, ParisLiakos, donquixote, effulgentsia, msonnabaum: Refactor bootstrap to better utilize the kernel."

This reverts commit cda051c4.

Issue #2016629 by larowlan, neclimdul, sun, alexpott, jibran, ParisLiakos, donquixote, effulgentsia, msonnabaum: Refactor bootstrap to better utilize the kernel.

Issue #2038135 by RobLoach, donquixote, Crell, ParisLiakos, catch: Use the Composer autoloader to make everything simpler.

Issue #1872522 by chx, effulgentsia, sun, aspilicious, desmondmorris, Berdir, jibran, YesCT: Fixed Compiled data in PHP storage is cleared too late in drupal_flush_all_caches().

Revert "Revert the revert of Issue #1849004 by chx, xjm: One Service Container To Rule Them All. It was innocent after all."

This reverts commit a1638b87.

This reverts commit 761ac679.

Issue #1706064 by chx, katbailey, effulgentsia, podarok et al: Compile the Injection Container to disk.

Switching to the test database connection only happens when
_drupal_bootstrap_database() runs before executing a first query.

To avoid complicating the boostrap with more fine grained level booting, just
boot the DrupalKernel after DRUPAL_BOOTSTRAP_CODE. Getting rid of those levels
is for a seperate issue.

Additionally mirror the changes in the testing files
core/modules/system/tests/http.php and https.php.

Adding the config services to the container and removing the bootstrap_variables call from before the kernel boot, plus other minor adjustments

Conflicts:

	core/lib/Drupal/Core/DependencyInjection/ContainerBuilder.php

Issue #1595146 by Niklas Fiekas, cosmicdreams, Rob Loach, effulgentsia: Added Load the HttpKernel from the DI Container.

#1536844: Moved language, path, theme, and module initialization from bootstrap to request listeners.

Execute termination listeners, including the subscriber formerly known as drupal_page_footer() and now represented by this class.

Add the request object to a collector function for the time being. This requires doing a partial bootstrap to get the class loader working, since BOOTSTRAP_FULL requires the request to already be in place.