COOK-4735 sql_server cookbook SysPrep support for PrepareImage and Compl...

...eteImage

Add setup_action, role and feature_list attribute with conditional
default
Don't create TCP Reg key if SQL is not being installed or CompleteImaged
Don't render service user sections of template if setup_action is PrepareImage
Don't render feature or role sections of template if setup_action is CompleteImage