Fixed a bug where cluster nominal attribute value counts were not getting set properly when empty clusters were pruned. Only affected the case when empty clusters occurred and the user had opted to output standard deviations/frequency counts.

git-svn-id: https://svn.cms.waikato.ac.nz/svn/weka/trunk@10130 e0a1b77d-ad91-4216-81b1-defd5f83fa92
Added new filter for removing duplicate instances from the first batch of data received.

git-svn-id: https://svn.cms.waikato.ac.nz/svn/weka/trunk@10133 e0a1b77d-ad91-4216-81b1-defd5f83fa92
Updated javadoc.

git-svn-id: https://svn.cms.waikato.ac.nz/svn/weka/trunk@10134 e0a1b77d-ad91-4216-81b1-defd5f83fa92
Test reference file for RemoveDuplicates

git-svn-id: https://svn.cms.waikato.ac.nz/svn/weka/trunk@10135 e0a1b77d-ad91-4216-81b1-defd5f83fa92
Merge remote-tracking branch 'upstream'