Merge pull request #25 from abifet/master

Updated Bagging deafault base classifier option
centralized testing dependencies
Merge pull request #26 from abifet/master

Update README.md
First jmockit test (incomplete)
Merge pull request #27 from gdfm/jmockit

Jmockit
updated to java 7
Merge pull request #28 from gdfm/java7

updated to java 7
Merge pull request #6 from yahoo/master

Jmockit