Issue #2075889 by pwolanin, kgoel, alexpott, catch, mpdonadio, YesCT, himanshu-dixit, dawehner, xjm, johnshortess, Crell, jhodgdon, Wim Leers, mradcliffe, attiks, tstoeckler, webchick: Make Drupal handle incoming paths in a case-insensitive fashion for routing