WIP towards fixing memory leak for n_folds.
Merge branch 'master' into arno-deeplearning2

Conflicts:
	src/test/java/hex/DeepLearningProstateTest.java
	src/test/java/water/JUnitRunnerDebug.java
WIP towards fixing memory leak when cross-validation is on.
Modify test to allow the Long version of the test to pass (still disabled by default).
Enabled GLMRandomTest.
Fix Long Iris test (forgot that default behavior is to keep the best model found so far), also fix float comparison.
Fix client test.
Merge branch 'master' of https://github.com/0xdata/h2o
Merge branch 'master' of https://github.com/0xdata/h2o
Increase timeout from 60 to 300.
Merge branch 'master' into arno-deeplearning2

Conflicts:
	src/test/java/hex/DeepLearningProstateTest.java
Increase exec2 expression timeout from 60 to 180 sec.
Change to be legal.
Finishes pretty fast on my laptop now.
Disable variable importance.
Disable syn_6 dataset, which we don't parse properly right now.
add min_std_dev param
imitation -> datasets.
Merge branch 'master' of github.com:0xdata/h2o
Make notest.
Fix for PUB-927. Check proc/pid/status for Cpus_allowed mask and return a value indicating whether the number of CPUs is limited for each node.
Merge branch 'master' of https://github.com/0xdata/h2o