ValueDistribution was not serializable - fixed.

git-svn-id: https://svn.cms.waikato.ac.nz/svn/weka@10432 e0a1b77d-ad91-4216-81b1-defd5f83fa92
ValueDistribution was not serializable - fixed.

git-svn-id: https://svn.cms.waikato.ac.nz/svn/weka@10433 e0a1b77d-ad91-4216-81b1-defd5f83fa92
Shifted Thread.sleep() call out of each GUI's main() method and into Memory.isOutOfMemory(). isOutOfMemory() now attempts to adaptively adjust the sleep delay based on the amount of heap space still available

git-svn-id: https://svn.cms.waikato.ac.nz/svn/weka@10434 e0a1b77d-ad91-4216-81b1-defd5f83fa92