backup.js - updated removal of old backup files to support all systems. Added the glob module to search for files using a regular expression since files are accurate to the hour.  Files are searched for to an accuracy of the day. family.html - added protection from group duplication in families.  when families are updated, duplicates are removed in favor for the older group. restore.html - Normalization has been added as an automatic process when restoring the data to an old version.