Increase the memory for node so that node 6 doesn't fail
Increase the memory for node so that node 6 doesn't fail

The unit testing was failing under node 6 because it kept running
out of heap space when running webpack. This will hopefully increase
it by enough to run the whole program.

iLib-js/iLib,iLib-js/iLib,iLib-js/iLib,iLib-js/iLib,iLib-js/iLib