pfSense

Fixed #5714

Bump for Nuke fifolog support

Should the default config version always be bumped to match the version in globals.inc when new upgrade code is committed?

Write upgrade config to replace apinger by dpinger, it should fix #5624

Move recently added upgrade code to a new config version

Remove unused time-update-interval

There is no longer any code for a UI field in 2.3 master.
In RELENG_2_2 system.php the code for the field display is commented
out.
The commented out code has been removed in the bootstrap conversion.
This removes the various bits of leftover processing and validation code...

Fix old SNMP bindlan setting - Redmine #3883

Remove run-time code in services.inc that referenced "bindlan".
Provide upgrade code to convert bindlan to bindip="lan" if needed.
Update current config version.

Fixed #5432

Fixed #5222

Remove more references to theme, ticket #5333

Cleanup unused code:

- Remove xmlrpcbaseurl from globals
- Remove xmlrpcpath from globals
- Remove embeddedbootupslice from globals
- Remove call_pfsense_method()
- Remove check_firmware_version()
- Remove get_active_xml_rpc_base_url()
- Remove zeromq.inc...

Remove timezone from default config, we have a definition in globais.inc now

Retire PPTP server, fixes #4226:

- Remove PPTP server and all related code
- Bump config version 12.2
- Write upgrade config code to remove pptpd section and also cleanup
firewall and NAT rules using PPTP interface or src/des

Move main pfSense content to src/