add BSASCluster.java

extract high level abstract Clusterer.java

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

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

Signed-off-by: changedi <jysoftware@gmail.com>
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>
Merge pull request #5 from changedi/cluster-20131203

Cluster 20131203