Now uses the model from the previous iteration if there is a slight decrease in log likelihood when iterating.

git-svn-id: https://svn.cms.waikato.ac.nz/svn/weka/trunk@9987 e0a1b77d-ad91-4216-81b1-defd5f83fa92
[maven-release-plugin] prepare release XMeans-1.0.4

git-svn-id: https://svn.cms.waikato.ac.nz/svn/weka/trunk@9990 e0a1b77d-ad91-4216-81b1-defd5f83fa92
[maven-release-plugin] prepare for next development iteration

git-svn-id: https://svn.cms.waikato.ac.nz/svn/weka/trunk@9992 e0a1b77d-ad91-4216-81b1-defd5f83fa92
Merge remote-tracking branch 'upstream'