Add SortKeys option to doco for NewDefaultConfig.
Add SortKeys option to doco for NewDefaultConfig.

bparees/go-spew,dvln/go-spew,davecgh/go-spew,FactomProject/go-spew,FactomProject/go-spew,davecgh/go-spew,dvln/go-spew,bparees/go-spew,kortschak/utter