Improve file tree comparison in test code
Improve file tree comparison in test code

- TestUpload.py: Strip out everything in recursive ls listing (ls_sed)
except file size and file name.  In particular, this now removes the
permissiona, the owner and the group from the ls -lR listing.

dougkerr/ftp_upload-1,NeighborhoodGuard/ftp_upload,NeighborhoodGuard/ftp_upload,dougkerr/ftp_upload-1