[TASK] Set version to 1.0.4

Support TYPO3 version 9

ext_emconf.php

@@ -19,12 +19,12 @@ $EM_CONF[$_EXTKEY] = array(
             'T3o\\Randombanners\\' => 'Classes'
         ),
     ),
-    'state' => 'beta',
+    'state' => 'stable',
 	'uploadfolder' => 0,
     'createDirs' => '',
     'clearcacheonload' => 0,
     'author' => 'Thomas Loeffler',
     'author_email' => 'loeffler@spooner-web.de',
     'author_company' => 'TYPO3',
-    'version' => '1.0.2',
-);
\ No newline at end of file
+    'version' => '1.0.4',
+);