Issue #2228217 by pwolanin, neclimdul, lauriii, ecrown, josephdpurcell, Fabianx, dawehner, klausi: Further optimize RouteProvider and add web test for large number of path parts

Revert "Issue #2228217 by pwolanin, ecrown, neclimdul, Fabianx, dawehner, klausi: Further optimize RouteProvider and add web test for large number of path parts"

This reverts commit 7d5e65d8.

Issue #2228217 by pwolanin, ecrown, neclimdul, Fabianx, dawehner, klausi: Further optimize RouteProvider and add web test for large number of path parts

Issue #2509300 by dawehner, catch, larowlan: Path alias UI allows node/1 and /node/1 as system path then fatals

Issue #1392754 by tss, justAChris, jhodgdon: Comply with new documentation standards for @file for namespaced class files

Issue #2480811 by catch, dawehner, Crell, Berdir, amateescu: Cache incoming path processing and route matching

Issue #2381505 by dawehner, pwolanin, aspilicious, rteijeiro: Unserialize preloaded routes on the fly

Issue #356399 by dawehner, beejeebus, catch, sidharrell, klausi, nlisgo, Josh Waihi, Berdir, martin107: Optimize the route rebuilding process to rebuild on write

Issue #2358079 by pwolanin, Berdir: Require a specific placeholder format in db_query() in order to trigger argument expansion, and require explicit 'IN' parameter for conditions

Issue #2230091 by dawehner, Berdir, marthinal, martin107: Fixed Route rebuilding is not guaranteed to finish in time for the next request.

Issue #2316537 by dawehner | chx: Upgrade symfony CMF to 1.2, remove deprecated parameters from getRouteByName* .

Issue #2224777 by pwolanin, dawehner: Unlimited allowed length of path in menu router allows DoS attack on Drupal 8.

Issue #2164367 by alexpott, tim.plunkett, dawehner: Rebuild router as few times as possible per request.

Issue #2068471 by dawehner, Crell, tim.plunkett, jibran, fubhy, larowlan: Normalize Controller/View-listener behavior with a Page object.

Issue #2098197 by dawehner, vijaycs85, damiankloip, tstoeckler: Add getAllRoutes() method to RouteProvider .

Issue #2100329 by cosmicdreams: Use \Drupal instead of Drupal to make IDEs and static code analyse tools happy.

Issue #2062519 by sergeypavlenko: Remove Unused local variable $return from /core/lib/Drupal/Core/Routing/RouteProvider.php.

Issue #2045453 by pwolanin, tim.plunkett, dawehner: Fixed menu_item_route_access() does not catch ResourceNotFoundException.

Issue #2052389 by pwolanin: Fixed All elements added to the Request attributes should have a _ prepended unless they come from the path.

Issue #1915752 by dawehner, tim.plunkett: routes are not found when 0 is used as a placeholder value.

Issue #1845402 by Crell, amateescu, dawehner, klausi, g.oechsler: Change notice: Update menu link access checks for new router.

Issue #1906358 by dawehner: Fixed RouteProvider::getRouteByName() / RouteProvider::getRouteByNames() aren't working due to multiple reasons.