Added another constant for the low memory minimum.

git-svn-id: https://svn.cms.waikato.ac.nz/svn/weka@10435 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@10436 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@10437 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@10438 e0a1b77d-ad91-4216-81b1-defd5f83fa92