openvpn, allow for entering client user credentials in the WebGUI
Fix gateway quality RRD to have the correct granularity and be consistent with the pfSense graphs set.

Create gateway quality RRD with settings suitable for pfSense graph set,  since apinger uses default step (300) and other settings that are not so  good/consistent with the pfSense graphs set.

Originally Submitted as Pull Request #672.
Resubmitting to Master.
Add the missing global $g
update translate pt_BR gettext file
Add all advanced options to rule table hover text

Bug #3512
firewall_virtual_ip , allow deleting last ip-alias if interface uses same the subnet. (while CARP-ip is present)
Update services.inc

Added missing usepublicip with dyndnsCheckIP
pfSense_interface_deladdress() only knows how to delete an ip address, not a subnet. It should fix #3513
Fix for now 'IPv6 - LAN looses Prefix after link event'(forums) with a not elegant solution but works. Probably dhcpv6 client should solve this by itself and generate and event for it. For now just bump dhcpv6 client again to have the prefix interface reconfigured.
Merge pull request #1003 from phil-davis/patch-2

Add all advanced options to rule table hover text
Fix OpenVPN XML section name

Forum https://forum.pfsense.org/index.php?topic=73479.0
Merge pull request #1015 from phil-davis/patch-4

Fix OpenVPN XML section name
Fix order of parameters to explode() here
Update services.inc
Update services.inc

Prepared to make $hosttocheck configureable
Merge pull request #1012 from florian-asche/patch-1

Update services.inc
Update services.inc

IPv4 ONLY
Update services.inc

Added CURL setops from dyndns.class
Update dyndns.class

IPv4 ONLY? YEAH ;)
Merge pull request #1019 from florian-asche/patch-4

Update dyndns.class