maj version 6.0.0-RC6

package.json

 {
   "name": "@descartes/d-editmap",
-  "version": "6.0.0-RC5",
+  "version": "6.0.0-RC6",
   "description": "d-editmap - Module d'édition de Descartes",
   "main": "dist/d-editmap.js",
   "scripts": {
@@ -55,7 +55,7 @@
     "yuidocjs": "0.10.2"
   },
   "dependencies": {
-    "@descartes/d-map": "6.0.0-RC5",
+    "@descartes/d-map": "6.0.0-RC6",
     "ol-ext": "1.1.3",
     "openlayers": "4.6.5"
   }