Merge pull request #1030 from ayvis/master-br-patch

replaced BR with br in js
Try to restore last working ruleset rather than staying without configuration at all
Avoid placing an empty "interface listen" directive in ntpd.conf
Do not garble the error logging message
Fix abvious error in string building
Remove balancing reference that does not exist anymore
Configure first the vhid and than pass the vhid when configuring the carp this makes the ip assigned to carp as well
Add require_once where needed to avoid redeclaration from nested includes
Use array_flip even for the package parsers
Add privileges for accessing DNS Resolver
Various cleanups and shuffle of fields
Ensure if port is configured it is then used
Fix display of port
Make sure post variables are available for form re-population
Rather put forwarding for DNS servers into the configuration file
Only display config title if option is enabled
s/BSDP/ESF/
remove unused supportedbybsdperimeter tag
Detect Zones and Cores for thermal sensors using regex, it fixes #3337
Ensure options are still checked after post