Update version date for upcoming release 2.1.0

Author: martignoni

version.php

@@ -26,8 +26,8 @@
 
 $plugin = new stdClass();
 
-$plugin->version  = 2019052800;
-$plugin->release = '2.1.0-beta';
+$plugin->version  = 2019052900;
+$plugin->release = '2.1.0';
 $plugin->requires = 2018120300;
-$plugin->maturity = MATURITY_BETA;
+$plugin->maturity = MATURITY_STABLE;
 $plugin->component = 'tool_moodlebox';