New node generator added

This commit introduces a draft of a node generator utility which
is supposed to replace reclass.storage formula. While it does not
really belong in reclass it appears the least problematic place to
put it to, so it will stay here for the time being.

PROD-26064

Change-Id: I4488330699fccf4d433b308dbf7a332b086d4703
3 files changed