new verify code uses model adjacency
new verify code uses model adjacency

many of the gmi changes have been leading up to this,
a verify routine that can hopefully handle non-manifold
models.

yangf4/core,YetAnotherMinion/core,YetAnotherMinion/core,yangf4/core,yangf4/core,yangf4/core,yangf4/core,YetAnotherMinion/core,YetAnotherMinion/core,YetAnotherMinion/core