N°2060 [WIP] Initialisation of the portal application:

- Refactor kernel bootstrapping:
  - Make bin/console from SF work
  - Make iTopPortalEditUrlMaker / iTopPortalViewUrlMaker work again
- Add classmap to /application in composer.json

datamodels/2.x/itop-portal-base/portal/composer.json

@@ -27,7 +27,8 @@
 			"Combodo\\iTop\\Portal\\": "src/"
 		},
 		"classmap": [
-			"../../../../core"
+			"../../../../core",
+			"../../../../application"
 		]
 	},
 	"autoload-dev": {