Merge branch '2017.12' into 2018.09

Author: André R

lib/version.php

@@ -15,11 +15,11 @@
 class eZPublishSDK
 {
     const VERSION_MAJOR = 5;
-    const VERSION_MINOR = 90;
-    const VERSION_RELEASE = 0;
-    const VERSION_STATE = 'alpha1';
-    const VERSION_DEVELOPMENT = true;
-    const VERSION_ALIAS = '2018.06';
+    const VERSION_MINOR = 98;
+    const VERSION_RELEASE = 9;
+    const VERSION_STATE = '';
+    const VERSION_DEVELOPMENT = false;
+    const VERSION_ALIAS = '2018.09';
     const EDITION = 'eZ Publish legacy';
 
     /*!