NEWS - updated to use header 2 and 3 instead of 1 and 2 for the markdown version.
`assign_values_to_nodes_nodePar` - Assign values to nodePar of dendrogram's nodes

`assign_values_to_leaves_nodePar` - If the value has NA then the value in edgePar will not be changed.
Version bump to 0.16.3

Added Mark as a contributor in the DESCRIPTION. :)