IBX-64: Rebranding of Content package (#16)

* [Rebranding] Move to Ibexa organization

* [Rebranding] Use rebranding branch of image-editor

* [Rebranding] Replace obsolete BC layer bundle with new one

* [Rebranding] Stop using dev branches but 4.0.x-dev

composer.json

@@ -14,23 +14,22 @@
         "ibexa/oauth2-client": "^4.0.x-dev",
         "ibexa/installer": "^4.0.x-dev",
         "ibexa/product-catalog": "^4.0.x-dev",
-        "ezsystems/date-based-publisher": "^5.0.x-dev",
-        "ezsystems/ezplatform-calendar": "^4.0.x-dev",
-        "ezsystems/ezplatform-connector-dam": "^4.0.x-dev",
-        "ezsystems/ezplatform-cron": "^4.0.x-dev",
-        "ezsystems/ezplatform-elastic-search-engine": "^4.0.x-dev",
-        "ezsystems/ezplatform-http-cache-fastly": "^4.0.x-dev",
-        "ezsystems/ezplatform-icons": "^4.0.x-dev",
-        "ezsystems/ezplatform-personalization": "^4.0.x-dev",
-        "ezsystems/ezplatform-version-comparison": "^4.0.x-dev",
-        "ezsystems/ezplatform-workflow": "^4.0.x-dev",
-        "ezsystems/ezrecommendation-client": "^4.0.x-dev",
-        "ezsystems/ezcommerce-base-design": "^4.0.x-dev",
-        "ezsystems/ezcommerce-checkout": "^4.0.x-dev",
-        "ezsystems/ezcommerce-fieldtypes": "^4.0.x-dev",
-        "ezsystems/ezcommerce-price-engine": "^4.0.x-dev",
-        "ezsystems/ezcommerce-shop": "^4.0.x-dev",
-        "ezsystems/ezcommerce-shop-ui": "^4.0.x-dev",
+        "ibexa/scheduler": "^4.0.x-dev",
+        "ibexa/calendar": "^4.0.x-dev",
+        "ibexa/connector-dam": "^4.0.x-dev",
+        "ibexa/elasticsearch": "^4.0.x-dev",
+        "ibexa/fastly": "^4.0.x-dev",
+        "ibexa/icons": "^4.0.x-dev",
+        "ibexa/personalization": "^4.0.x-dev",
+        "ibexa/personalization-client": "^4.0.x-dev",
+        "ibexa/version-comparison": "^4.0.x-dev",
+        "ibexa/workflow": "^4.0.x-dev",
+        "ibexa/commerce-base-design": "^4.0.x-dev",
+        "ibexa/commerce-checkout": "^4.0.x-dev",
+        "ibexa/commerce-fieldtypes": "^4.0.x-dev",
+        "ibexa/commerce-price-engine": "^4.0.x-dev",
+        "ibexa/commerce-shop": "^4.0.x-dev",
+        "ibexa/commerce-shop-ui": "^4.0.x-dev",
         "ezsystems/apache-tika-bundle": "^2.0",
         "ezsystems/comment-bundle": "^3.1",
         "ezsystems/job-queue-bundle": "^4.0",