Tweak io message to be consistent with other ones

E.g.:
Loading composer repositories with package information
Updating dependencies (including require-dev)
Generating autoload files

Author: rybakit

ScriptHandler.php

@@ -49,7 +49,7 @@ private static function processFile(array $config, IOInterface $io)
         $yamlParser = new Parser();
 
         $action = $exists ? 'Updating' : 'Creating';
-        $io->write(sprintf('<info>%s the "%s" file.</info>', $action, $realFile));
+        $io->write(sprintf('<info>%s the "%s" file</info>', $action, $realFile));
 
         // Find the expected params
         $expectedValues = $yamlParser->parse(file_get_contents($config['dist-file']));