Summary2: make the dynamic bin sizing for the browser more robust and bound it between 1 and 100 in all cases

really big numbers (c14) were causing problems.
Merge branch 'master' of github.com:0xdata/h2o
Summary2: make int histograms always align to ints, still meeting the prior requirements. (causes fewer bins in that case)
Add variable importances to Deep Learning.
Merge branch 'master' of https://github.com/0xdata/h2o
filter out Infinity while histogramming because the resulting histogram bin indexes exceed the bounds. (just ignore them, like NaN..should be just due to bad parse of enums to reals..so don't care)
Merge branch 'master' of github.com:0xdata/h2o