Simplified router configuration.

module/VuFind/config/module.config.php

@@ -7,7 +7,7 @@ $config = array(
             'default' => array(
                 'type'    => 'Zend\Mvc\Router\Http\Segment',
                 'options' => array(
-                    'route'    => '/[:controller[/:action]]',
+                    'route'    => '/[:controller[/[:action]]]',
                     'constraints' => array(
                         'controller' => '[a-zA-Z][a-zA-Z0-9_-]*',
                         'action'     => '[a-zA-Z][a-zA-Z0-9_-]*',
@@ -18,19 +18,6 @@ $config = array(
                     ),
                 ),
             ),
-            // TODO: can we address all three default route situations (install, install/, install/home) with
-            // a single route definition?  Currently, we need this case to address trailing slash + missing action.
-            'default-without-action' => array(
-                'type'    => 'Zend\Mvc\Router\Http\Regex',
-                'options' => array(
-                    'regex'    => '/(?<controller>[a-zA-Z][a-zA-Z0-9_-]*)(/?)',
-                    'defaults' => array(
-                        'controller' => 'index',
-                        'action'     => 'Home',
-                    ),
-                    'spec' => '/%controller%',
-                ),
-            ),
             'legacy-alphabrowse-results' => array(
                 'type' => 'Zend\Mvc\Router\Http\Literal',
                 'options' => array(