Initial import of FilteredDistance. This can be useful for locally weighted learning (LWL).

git-svn-id: https://svn.cms.waikato.ac.nz/svn/weka@11187 e0a1b77d-ad91-4216-81b1-defd5f83fa92
Now isn't completele broken after latest changes to GridSearch

git-svn-id: https://svn.cms.waikato.ac.nz/svn/weka@11188 e0a1b77d-ad91-4216-81b1-defd5f83fa92
Initial import of default settings properties file for GridSearch.

git-svn-id: https://svn.cms.waikato.ac.nz/svn/weka@11189 e0a1b77d-ad91-4216-81b1-defd5f83fa92
Now reads default settings for all options from a properties file (included with the main package jar file): weka/classifiers/meta/GridSearch.props. This file can be copied, altered and placed in ${WEKA_HOME}/props if desired.

git-svn-id: https://svn.cms.waikato.ac.nz/svn/weka@11190 e0a1b77d-ad91-4216-81b1-defd5f83fa92
Fixed bug when only class is present (I think).

git-svn-id: https://svn.cms.waikato.ac.nz/svn/weka@11191 e0a1b77d-ad91-4216-81b1-defd5f83fa92
Another bug fix, in the toString() method, which caused problems when no model had been built.

git-svn-id: https://svn.cms.waikato.ac.nz/svn/weka@11192 e0a1b77d-ad91-4216-81b1-defd5f83fa92
Now loads default properties just once when the class is first loaded.

git-svn-id: https://svn.cms.waikato.ac.nz/svn/weka@11193 e0a1b77d-ad91-4216-81b1-defd5f83fa92