Helper method to format one entry's info into a text entry like: 'drwxrwxrwx   0 user   group   0 Jan 01  1970 filename.txt'
| Parameters | name | bytes name of the entry (file or directory or link) | 
 | size | int size of the entry | 
 | directory | evals to bool - whether the entry is a directory | 
 | permissions | twisted.python.filepath.Permissions object representing that entry's permissions | 
 | hardlinks | int number of hardlinks | 
 | modified | float - entry's last modified time in seconds since the epoch | 
 | owner | str username of the owner | 
 | group | str group name of the owner | 
| Returns | str in the requisite format |