Refactor Orchestra\Extension\Publisher\FTP

Signed-off-by: crynobone <crynobone@gmail.com>
Add Orchestra\Testable\FTP

Signed-off-by: crynobone <crynobone@gmail.com>
Fix test case

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

Signed-off-by: crynobone <crynobone@gmail.com>
just some assertion

Signed-off-by: crynobone <crynobone@gmail.com>
Some other assertion

Signed-off-by: crynobone <crynobone@gmail.com>
Convert assertion to check is_null instead of empty

Signed-off-by: crynobone <crynobone@gmail.com>
Fixed invalid config key

Signed-off-by: crynobone <crynobone@gmail.com>
Merge branch 'develop'