Global threshold applied in ExtractNetMet

[hhs2]

In ExtractNetMet line 72 a global threshold of 0.0001 is applied to the adjacency matrix. Should this be removed now we are using probabilistic thresholding

[hhs2]

Part of the reason for this is to make findNodeDegEdgeWeight work, however just putting in a very small number e.g. 0.00000001 into edge_thresh for findNodeDegEdgeWeight does the same