1.15.2 (#2782)

* fix division by zero
* cleanup required directories, check configured data directory, do not check for freetype support
* bump version number

src/Constants.php

@@ -17,11 +17,11 @@ class Constants
     /**
      * The current release version
      */
-    public const VERSION = '1.15.1';
+    public const VERSION = '1.15.2';
     /**
      * The current release: major * 10000 + minor * 100 + patch
      */
-    public const VERSION_ID = 11501;
+    public const VERSION_ID = 11502;
     /**
      * The current release status, either "stable" or "dev"
      */