update Moodle version number to fit official number for Moodle3.5

Signed-off-by: Camille Tardy <camille.tardy@unige.ch>

version.php

@@ -6,7 +6,7 @@ defined('MOODLE_INTERNAL') || die();
 $plugin->version = '2018060100';
 
 // This is the version of Moodle this plugin requires
-$plugin->requires = '2018050800';
+$plugin->requires = '2018051700';
 
 // This is the component name of the plugin
 $plugin->component = 'theme_unige';
@@ -15,3 +15,6 @@ $plugin->component = 'theme_unige';
 $plugin->dependencies = [
     'theme_boost' => '2018051400'
 ];
+
+
+$plugin->maturity = MATURITY_STABLE;
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