Add Orchestra\Support\Ftp::createSecureConnection() method.

Signed-off-by: crynobone <crynobone@gmail.com>
Cleanup multiple code.

Signed-off-by: crynobone <crynobone@gmail.com>
Another small tweaks.

Signed-off-by: crynobone <crynobone@gmail.com>
Merge branch '2.1' into 2.2