Update build.proj to fix uploaded file owner
Update build.proj to fix uploaded file owner

Adding sudo -u vu2004 to the --rsync-path will cause the uploaded files to be owned by vu2004 which is the same user that would operate FTP.  This allows product teams to use a tool like Filezilla to delete old files from time to time.
sillsdev/hearthis,sillsdev/hearthis,sillsdev/hearthis