refactor settings setup code
|Reported by:||ptone||Owned by:||nobody|
|Has patch:||no||Needs documentation:||no|
|Needs tests:||no||Patch needs improvement:||no|
There is an increasing amount of code duplication in conf.init.LazySettings between _setup and configure
There are some differences in the way the actual settings holder is setup - but there should be a way to refactor this so that _setup calls configure, and put the common code there.