PUB-830: Allow response to be the same as a predictor in the case of autoencoding, as the response is ignored.
Add Linpack to measure CPU speed.
Modified to have multi-threading, JIT warmup and nanosecond timer.
Merge branch 'master' of https://github.com/0xdata/h2o
PUB-837: Add Linpack benchmark (updated to run on all cores) to compute the Gflops of each node, display in cloud status. Runs every 5 minutes for 0.2 seconds or so.