prepare release 1.14 (#2495)

* removed un-maintained docker file
* update all packages
* fix deprecations
* only show one line descriptions for customer, projects and activities
* allow to show export column in timesheet listing

config/packages/fos_rest.yaml

@@ -26,7 +26,6 @@ fos_rest:
             'Symfony\Component\Routing\Exception\ResourceNotFoundException': 404
             'Symfony\Component\HttpKernel\Exception\NotFoundHttpException': 404
             'App\API\NotFoundException': 404
-            'Pagerfanta\Exception\OutOfRangeCurrentPageException': 404
     body_listener:
         enabled: true
         decoders:
@@ -45,7 +44,7 @@ handcraftedinthealps_rest_routing:
     routing_loader:
         default_format: 'json'
         prefix_methods: true
-        include_format: true
+        include_format: false
         formats:
             json: true
             xml: false