bump version

Author: Flyingmana

.github/changelog/version_20.txt

@@ -0,0 +1,13 @@
+
+
+
+
+
+## v20.1.0 - unreleased
+
+
+
+## v20.0.0 - 2020-06-28
+
+Identical to v19.4.4
+

app/Mage.php

@@ -213,9 +213,9 @@ public static function getOpenMageVersion()
     public static function getOpenMageVersionInfo()
     {
         return array(
-            'major'     => '19',
-            'minor'     => '4',
-            'patch'     => '4',
+            'major'     => '20',
+            'minor'     => '0',
+            'patch'     => '0',
             'stability' => '', // beta,alpha,rc
             'number'    => '', // 1,2,3,0.3.7,x.7.z.92 @see https://semver.org/#spec-item-9
         );