Also, make the ftp server return a canned response that doesn't
cause XML verification problems. Although the test file format
isn't technically XML, it's still handy to be able to use XML
tools to verify and manipulate them.
Remove internal separated behavior of the easy vs multi intercace.
curl_easy_perform() is now using the multi interface itself.
Several minor multi interface quirks and bugs have been fixed in the
process.
Much help with debugging this has been provided by: Yang Tse
Verify that the "Saved to filename 'blabla'" message is only displayed when
the 'blabla' filename being used _actually_ has been specified by the server
in the Content-Disposition header.
Use relative path for unintended file creation postcheck.
