Prefer drupal namespace in Composer.

composer.json

@@ -1,5 +1,5 @@
 {
-  "name": "islandora/islandora",
+  "name": "drupal/islandora",
   "description": "Core Islandora module",
   "type": "drupal-module",
   "keywords": ["Drupal", "Islandora"],
@@ -7,6 +7,9 @@
   "support": {
     "issues": "https://github.com/Islandora/documentation/issues"
   },
+  "replace": {
+    "islandora/islandora": "*"
+  },
   "repositories": [
     {
       "type": "composer",
@@ -20,6 +23,7 @@
     "drupal/file_replace": "^1.1",
     "drupal/filehash": "^2",
     "drupal/flysystem" : "^2.0@alpha",
+    "drupal/jsonld": "^2 || ^3",
     "drupal/jwt": "^1.1 || ^2",
     "drupal/migrate_plus" : "^5.1 || ^6",
     "drupal/migrate_source_csv" : "^3.4",
@@ -28,7 +32,6 @@
     "drupal/token" : "^1.3",
     "islandora/chullo": "^2.0",
     "islandora/fedora-entity-mapper": "^1.0",
-    "islandora/jsonld": "^2 || ^3",
     "stomp-php/stomp-php": "4.* || ^5"
   },
   "require-dev": {