do not upload inodes in renter
See #1855 (closed), #913 (closed), #1334 (closed). renter.Upload()
now disallows uploading directories, and siac renter upload
will skip over directories in its Walk.
See #1855 (closed), #913 (closed), #1334 (closed). renter.Upload()
now disallows uploading directories, and siac renter upload
will skip over directories in its Walk.