Merge pull request #34 from silverstripe-labs/public-access

Allow public access to the dev/health url and change response to 500

_config/routes.yml

@@ -4,6 +4,6 @@ After: 'framework/*','cms/*'
 ---
 Director:
   rules:
-    'dev/health': 'DevHealthController'
+    'health/check': 'DevHealthController'
     'dev/check/$Suite': 'DevCheckController'
 

code/DevHealthController.php

@@ -19,8 +19,7 @@ class DevHealthController extends Controller
         // health check does not require permission to run
 
         $checker = new EnvironmentChecker('health', 'Site health');
-        $checker->init('');
-        $checker->setErrorCode(404);
+        $checker->setErrorCode(500);
 
         return $checker;
     }