GenericArrayEditor no longer extends JPanel. It now uses an inner class to implement the actual editor

git-svn-id: https://svn.cms.waikato.ac.nz/svn/weka/trunk@10295 e0a1b77d-ad91-4216-81b1-defd5f83fa92
All calls to System.err.println() have been replaced by calls to Logger.log().

git-svn-id: https://svn.cms.waikato.ac.nz/svn/weka/trunk@10296 e0a1b77d-ad91-4216-81b1-defd5f83fa92
Merge remote-tracking branch 'upstream'