[#74] Fix 405 marshaling logic for Aura
[#74] Fix 405 marshaling logic for Aura

- Use the `Aura\Router\Route::$failed` property to determine if the
  regex matched, and, if so, if we have an entry for the given route.

grizzm0/zend-expressive,nightlinus/zend-expressive,pborreli/zend-expressive,jguittard/zend-expressive,acelaya/zend-expressive,matwright/zend-expressive,kynx/zend-expressive,prolic/zend-expressive,ezimuel/zend-expressive,pborreli/zend-expressive,kynx/zend-expressive,kingjerod/zend-expressive,jguittard/zend-expressive,kingjerod/zend-expressive,grizzm0/zend-expressive,kynx/zend-expressive,matwright/zend-expressive,zf2timo/zend-expressive,jguittard/zend-expressive,prolic/zend-expressive,grizzm0/zend-expressive,matwright/zend-expressive,pborreli/zend-expressive,prolic/zend-expressive,weierophinney/zf-docs-toolchain-experiment,moderndeveloperllc/zend-expressive