- general cleanup of dup handler
 - support remove-older-than command
 - also run "duplicity cleanup" before anything else, for safety reasons
 - migrated full/incremental backup switch to new syntax
ChangeLog: removed trailing space

why this is needed, in case someone wants to change this (Closes: #409192)

added ale to AUTHORS for ldap fixes
adjusted sys handler to allow for turning off of sfdisk (#404071)

and md5sum locations

accidentally omitted