local changes
changes
Merge branch 'master' of github.com:lostMohican/algs-kdtrees

# By erkin.unlu
# Via erkin.unlu
* 'master' of github.com:lostMohican/algs-kdtrees:
  starting kdtree
  tests for KdTree introduced
  tests and KdTree introduced
  all tests on pointset green
  pointset range impl

Conflicts:
	.idea/workspace.xml
insert implemented on kdtree
contains implemented on kdtree
draw implemented
draw wrong, first determine each nodes axis rectangle;

root has unit square
left child has left rectange and so on