This function takes an integer vector (representing membership of a community
or component) and creates a character vector of colors for each
community/module, component, etc. This only assigns a color to groups with at
least 2 members; isolated vertices will be colored 'gray'.
Usage
color.vertices(memb)
Arguments
memb
An integer vector representing membership of e.g. a community
Value
A character vector with length equal to the number of communities,
lobes, components, etc.