pfSense

Fix error when attempting to add a DHCP static mapping. Fixes #29

Bring captive portal widget up to date with changes.

Remove openvpn.inc from functions.inc since its just a subsystem that does not need to be present on all of the includes.

Append several functions the filter_ prefix to know they are part of filter.inc as any other function in this file.
Remove a call to system_routing_configure on filter_configure_sync since these should have been taken care from the respective subsystem.

Since we could not use anchors now we need to reload the filter whenever we add/remove/reinstall a package.

Add needed filter_reload call.

Fix Bug #24. Actually just make the name usable in the new gateway code.

Fix some typos in wizard.php code introduced by previous commit.
Add 'displayname' even to option fields of select.
Convert traffic_shaper_wizard to use display better names with the introduced 'displayname'

Add a 'displayname' field to make it easier to print better labels for inputs.

Remove debugging echos