Made Z_MAX into an option.

git-svn-id: https://svn.cms.waikato.ac.nz/svn/weka/trunk@10418 e0a1b77d-ad91-4216-81b1-defd5f83fa92
Javadoc update.

git-svn-id: https://svn.cms.waikato.ac.nz/svn/weka/trunk@10420 e0a1b77d-ad91-4216-81b1-defd5f83fa92
Now prints accuracy (rather than error rate) for default and acc settings when the class is nominal)

git-svn-id: https://svn.cms.waikato.ac.nz/svn/weka/trunk@10422 e0a1b77d-ad91-4216-81b1-defd5f83fa92
Merge remote-tracking branch 'upstream'