Working on Fang's algorithm. Paper does not give a lot of details. I am
filling in the blanks as I see fit.
Parent-Free count should be done.
Now working on conditional count calculator and parallel network
scoring.
No need for count calculation in the main control function. Working on
how to put the counts in the distributed cache for the next MR job
work on Fang's algorithm need MR for score calculation of candidate
structures