Implement nested reduction
added .gitignore
debug prints in executor
3 level nesting still not working
katsogr BUG fix
patched ConnectionManager fron github
no cancelled key exception
2 level nesting still not working
debug prints in executor and scheduler
more debug prints
changed the ask ( ? ) query in futureRDD into wait-notify
3 level nesting works for files with one partition
++BarnesHut spark implementation