Cleaned up the code and adapted to get*Predictions() API change in WEKA.

git-svn-id: https://svn.cms.waikato.ac.nz/svn/weka/trunk@10155 e0a1b77d-ad91-4216-81b1-defd5f83fa92
Now has an option to treat zero as missing when computing summary stats

git-svn-id: https://svn.cms.waikato.ac.nz/svn/weka/trunk@10156 e0a1b77d-ad91-4216-81b1-defd5f83fa92
Dropped FastVector and made changes required by dropping FastVector.

git-svn-id: https://svn.cms.waikato.ac.nz/svn/weka/trunk@10159 e0a1b77d-ad91-4216-81b1-defd5f83fa92
Eliminated FastVector and adpated to changes required by this.

git-svn-id: https://svn.cms.waikato.ac.nz/svn/weka/trunk@10160 e0a1b77d-ad91-4216-81b1-defd5f83fa92
Updated test so that it no longer uses FastVector.

git-svn-id: https://svn.cms.waikato.ac.nz/svn/weka/trunk@10161 e0a1b77d-ad91-4216-81b1-defd5f83fa92
Merge remote-tracking branch 'upstream'