Updated GramMatrixFunc to have an option to run without response/intercept (e.g. for PCA).
bad merge fixed
Merge branch 'master' of github.com:0xdata/h2o
typos
Correct where the learn rate is applied in GBM

Better debug printouts also
Merge branch 'master' of github.com:0xdata/h2o
tweedie: glm param
R: add back in h2o.factor
typos
Merge branch 'master' of github.com:0xdata/h2o
Fixed computational error and added ability to ignore columns
Merge branch 'master' into pca

Conflicts:
	src/main/java/hex/DPCA.java
	src/main/java/water/api/PCA.java
	src/test/java/hex/PCATest.java
some typos in this benchmark test
Merge branch 'master' of github.com:0xdata/h2o
:q
Generate GBM rst file.
gbm&pca in h2o.py; gbm test on mnist
Added standardize option to h2o.prcomp
Added standardization option to PCA
Merge branch 'master' of https://github.com/0xdata/h2o