BLD: Testing if container connections to FTP work
BLD: Testing if container connections to FTP work

As per the suggestion on:
https://github.com/travis-ci/travis-ci/issues/3692#issuecomment-97238125

adamrp/qiita,adamrp/qiita,antgonza/qiita,squirrelo/qiita,josenavas/QiiTa,squirrelo/qiita,antgonza/qiita,squirrelo/qiita,ElDeveloper/qiita,josenavas/QiiTa,ElDeveloper/qiita,antgonza/qiita,adamrp/qiita,biocore/qiita,biocore/qiita,josenavas/QiiTa,adamrp/qiita,biocore/qiita,ElDeveloper/qiita,squirrelo/qiita,josenavas/QiiTa,antgonza/qiita,biocore/qiita,ElDeveloper/qiita