pfSense

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

Fix some typos.

fix some other shortcuts provided by the GUI.

This commit fixes even Bug #27

Add l2tp

Fix interface list usage

WARN: Please ask before introducing old code on what have changed!

Call convert_config(); after import.

Fix ipsec vpn phase1 post code so that we correctly try to delete the old static route if required.