... for rdiff.helper, dup.helper, example.dup and example.rdiff.

This is the only way to securely transmit the FTP password from backupninja
to duplicity.

Thanks to stefan <s.freudenberg@jpberlin.de> for the patch.
This fixes Redmine bug #658.

number of hash marks, clearly specify example settings and what the
defaults are set to.

updated the example.maildir to include this option, as well as detail the missing desid_file, destport

add the ability to save the debconf package selection states in the sys handler, which aides in restoring installed packages with the right choices made

made mktemp a requirement for building backupninja, added autotools variables to substitute the proper binary location and removed bad fall-back when mktemp was not there

sys: support selection of VServers to run on with the new vsnames configuration option (Closes: Trac#45)

dup: support every duplicity-supported transport with new configuration option desturl (Closes: #483712, #346040, Trac#2)

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)

accidentally omitted

sshoptions setting (Closes: #388543)

behaviour, as proposed on
http://lists.riseup.net/www/arc/backupninja/2006-07/msg00008.html