Prepare release version 15.1.2

Author: puehringer

package.json

@@ -1,7 +1,7 @@
 {
   "name": "visyn_scripts",
   "description": "",
-  "version": "15.1.2-SNAPSHOT",
+  "version": "15.1.2",
   "author": {
     "name": "datavisyn GmbH",
     "email": "[email protected]",