Update README.md
Update README.md
Merge pull request #3 from changedi/cluster-20131129-2

Cluster 20131129 2
add EuclideanDistance.java

Signed-off-by: changedi <jysoftware@gmail.com>
Merge branch 'cluster-20131203' of https://github.com/changedi/data-vnix into similarity-20131130
add manhattan distance
chebyshev distance
Merge pull request #4 from changedi/similarity-20131130

Similarity 20131130
Merge branch 'cluster-20131203' of https://github.com/changedi/data-vnix into cluster-20131203
add common-math3
remove other same files

Signed-off-by: changedi <jysoftware@gmail.com>