pfSense

If there was a group with a space, delete all the user-defined groups before hitting local_sync_accounts so pw doesn't get hung up. Ticket #6012

Merge pull request #2766 from jlduran/nginx-ssl-parameter-on-listen-directive

Check whether group exists using GID rather than name. Users can change the name, but not the GID. Check return code of pw for whether group exists. Ticket #6013

Save changes to config in 148 config upgrade. Ticket #6012

Ensure replacement group name is unique

Cleanup nginx configuration file

- Fix indentations
- Use the `ssl` parameter of the `listen` directive [1]
- Change the rewrite rule to use the recommended syntax [2]

[1]: http://nginx.org/en/docs/http/ngx_http_ssl_module.html#ssl
[2]: http://nginx.org/en/docs/http/converting_rewrite_rules.html

Fixed #6012
Config upgrade function replaces space with underscore in group names

fix rrd error on boot

Seems to be a copy/paste error remain from when i initially created the dhcpd rrd thingy. Just noticed this now ;)

Mar 17 22:33:34 php-cgi rc.bootup: The command '/usr/bin/nice -n20 /usr/local/bin/rrdtool update /var/db/rrd/opt3-dhcpd.rrd N:U:U:U:U:U:U:U:U' returned exit code '1', the output was 'ERROR: /var/db/rrd/opt3-dhcpd.rrd: found extra data on update argument: U:U:U:U:U'

FIlebrowser package moved to vendor direcroty

Update file_exists check to full path as done in other files