Adds dependencies required, but not listed. (#7)

Author: alexfornuto

composer.json

@@ -3,5 +3,10 @@
   "type": "drupal-profile",
   "description": "Commerce 2.x installation profile",
   "homepage": "https://github.com/drupalcommerce/commerce_base",
-  "license": "GPL-2.0+"
+  "license": "GPL-2.0+",
+  "require": {
+      "drupal/commerce": "~2.0",
+      "drupal/admin_toolbar": "~1.0",
+      "drupal/swiftmailer": "~1.0"
+    }
 }