Minor streamlining of profile field listing methods.
WebGUI::Operation::Profile::getRequiredProfileFields is now deprecated,
because it's specific enough to be not significantly more useful than
WebGUI::ProfileField::getRequiredFields, and because with this change
nothing in core uses it anymore.
Add license to Commerce.pm
Update fields in Help for WebGUIProfile
Fix typo in i18n file for WebGUIProfile (missing comma)
full merge of fields from 6.8 for Operatin/ProfileSettings.