Multiple SSID, preliminary/basic support
Merge remote branch 'remotes/origin/VLAN-GUI' into VLAN-MultiSSID

* remotes/origin/VLAN-GUI:
  Cosmetics, improved compatibility when interpreting DHCP settings stored on nvram
Fixed typo in save() function
Merge remote-tracking branch 'remotes/origin/VLAN-GUI' into VLAN-MultiSSID

* remotes/origin/VLAN-GUI:
  Bugfix: missing info about DHCP/leases on Status/Device List page
Visual improvements on the GUI, fixed nas so it work when more than one SSID is configured with WPA
Merge remote-tracking branch 'remotes/origin/VLAN-GUI' into VLAN-MultiSSID

* remotes/origin/VLAN-GUI:
  Proper calculation of DHCP ranges for a subnet (first/last IP available, broadcast, subnet on IPv4)
Fixed assignment of WLANs to different bridges on advanced-vlan.asp
Merge branch 'VLAN-GUI' into VLAN-MultiSSID

* VLAN-GUI:
  SSID broadcast on status-overview.asp
  Hostname completeness (status-devices.asp)
  Status/Device List: don't assume any/all active DHCP leases are on/from br0
  LAN access: new/revised iptables ruleset
  Option to include (or not) VLAN-GUI
  Increased netmask size/limit for LAN subnets

Conflicts:
	release/src/router/rc/wnas.c
	release/src/router/www/basic-network.asp
	release/src/router/www/status-overview.asp
Cosmetics: Status - Overview
WPA: revised nas startup code
Merge branch 'VLAN-GUI' into VLAN-MultiSSID

* VLAN-GUI:
  Lan Access: revised filter_forward iptables rules creation order
Merge branch 'VLAN-GUI' into VLAN-MultiSSID

* VLAN-GUI:
  Fix handling of DHCP IP ranges for big LAN subnets
Default MAC address calculation of virtual WL ifaces

* default MAC address for guest/virtual wireless interfaces calculation changed to mimic the behaviour of static int set_wlmac(...) in router/rc/network.c
* somewhat related to 'nas' requirements when configuring multiple wireless networks secured with WPAx
* pointed out by tvlz - thanks!
Merge branch 'VLAN-GUI' into VLAN-MultiSSID

* VLAN-GUI:
  VLAN-GUI: include WHR-G54S port mapping
Fix compilation error when building without VLAN-GUI enabled

* a.k.a. builds with VLAN-GUI disabled
* related to commit fb4de27743c4727e3b24ebc86d2b7c054316aae6
* from branch VLAN-GUI: Option to include (or not) VLAN-GUI
Merge branch 'VLAN-GUI' into VLAN-MultiSSID

* VLAN-GUI:
  VLAN-GUI: include E4200 port mapping
Merge branch 'VLAN-GUI' into VLAN-MultiSSID

* VLAN-GUI:
  Fix different DHCP lease times for each LAN bridge
  /etc/hosts completeness
  Lan Access: reordering of FORWARD iptables rules creation
Merge branch 'VLAN-GUI' into VLAN-MultiSSID

* VLAN-GUI:
  Fix issues with 'disappearing' WL ifaces (when not assigned as part of any LAN bridges)

Conflicts:
	release/src/router/httpd/wl.c
	release/src/router/www/advanced-vlan.asp
	release/src/router/www/status-overview.asp
Merge branch 'VLAN-GUI' into VLAN-MultiSSID

* VLAN-GUI:
  Web UI/httpd: improved checking of WL ifaces operational state (up/down)
Merge branch 'VLAN-GUI' into VLAN-MultiSSID

* VLAN-GUI:
  Hostname completeness: partial revert (cosmetics: 'too noisy')