rc.carpmaster/rc.carpbackup notification method for packages.
-renamed function to pkg_call_plugins
-added is_array()
-added function header text
-replaced fixed 'plugin_carp' by $plugin_type to allow for generic use
Generate nat rules for ipsec when needed
Remove remeants of racoon
More removal of racoon from referenced in sources
Remove sasycnd remenant file
Add removed file to obsolete list
Update dyndns.class

Only use IPv4_only function if ipv6 is false
Merge pull request #1022 from PiBa-NL/carp_notification

rc.carpmaster/rc.carpbackup notification method for packages.
we actually use xmlrpcbaseurl here, not product_website
fix text, remove product_website mentions here since that's not actually used anyway.
use xmlrpcbaseurl here too, not product_website
set package URL to https://packages.pfsense.org
fix plugin method for packages to allow for multiple plugins in an 'item' array as 'plugin' is not allowed as array item by xmlparse.inc
Update dyndns.class
Merge pull request #1026 from PiBa-NL/plugin_array_item

fix plugin method for packages to allow for multiple plugins in an 'item' array as 'plugin' is not allowed as array item by xmlparse.inc
Merge pull request #1025 from florian-asche/patch-5

Update dyndns.class
Provide upgrade code after changes done for Ticket #3441
Fix #3521, show correct field descr
Correct variable name, while here unset some large var