output enhancement for verbose mode when dumping downloads
fixed HelperSet for DownloadManager's ConsoleIO
Merge branch 'download-manager-for-archiver' of https://github.com/renanbr/satis

* 'download-manager-for-archiver' of https://github.com/renanbr/satis:
  fixed HelperSet for DownloadManager's ConsoleIO
  output enhancement for verbose mode when dumping downloads

Conflicts:
	src/Composer/Satis/Command/BuildCommand.php
Add a "minimum-stability" option to the config