format readme.
Merge branch 'master' of https://github.com/kdbanman/nodes
name bug log better.  test interaction limits.  consider things deeply.
render GraphElements in order of their distance so that transparency works properly.
reimplement depth-based rendering more naturally for the sake of maintainability
remove unused import.  update TODO with HTML renderer research.
add transparency query to graphe elements.  improve infopanel formatting.  log bug
merge from remote
DEV rebase + Modifier to find all nodes with a specified number of common neighbours