Add static helper to make an array of Vecs from scratch.
Merge branch 'master' of https://github.com/0xdata/h2o
Fix bug in shuffleArray, was not doing a bijection. Affected feature importances.
PUB-703: Add Beta->CreateFrame to create frames from scratch, without parsing.
Merge branch 'master' of https://github.com/0xdata/h2o