Change ftp_scan_dir from 'private' to 'protected' to add ability to reimplement it.
Change http request in 'open' command from GET to POST to hide url custom parameters (like passwords)
Run archivators via 'proc_open' instead of 'exec' because it works well on MS IIS
Invalid permissions on TMP directory
New driver to work with IIS FTP
Merge pull request #673 from mailtoartem/2.x

Change ftp_scan_dir from 'private' to 'protected' to add ability to reim...
Merge branch '2.x' into 2.1_n