Log Message:
(math/R-FNN) Updated 1.1.3.2 to 1.1.4

	  CHANGES IN FNN VERSION 1.1.4

	o get.knn (cover_tree) will not return the self as the first
	  neighbor.  kd_tree and brute may still return self as the
	  first neighbor even there are other identical data points.

	o fixed the typo in the theoretical divergence example of
	KL.divergence manual