[VFS-440][SFTP] Stream (e.g. netcat) proxy for Sftp file system (aka ProxyCommand).
[VFS-440][SFTP] Stream (e.g. netcat) proxy for Sftp file system (aka ProxyCommand).

git-svn-id: c455d203a03ec41bf444183aad31e7cce55db786@1403405 13f79535-47bb-0310-9956-ffa450edef68

seeburger-ag/commons-vfs,mohanaraosv/commons-vfs,apache/commons-vfs,mohanaraosv/commons-vfs,apache/commons-vfs,seeburger-ag/commons-vfs,mohanaraosv/commons-vfs,ecki/commons-vfs,ecki/commons-vfs,seeburger-ag/commons-vfs