load test cases for clustering
Merge pull request #54 from indikasampath2000/master

load test cases for clustering
changed log messages
Merge pull request #55 from indikasampath2000/master

changed log messages
changed class level comment
Merge pull request #56 from indikasampath2000/master

changed class level comment
changed description of test method
Merge pull request #57 from indikasampath2000/master

changed description of test method
Code style issues resolved. Java docs added.
copyright updated.