spark git commit: [SPARK-11852][ML] StandardScaler minor refactor

Repository: spark Updated Branches: refs/heads/branch-1.6 eab90d3f3 -> b11aa1797 [SPARK-11852][ML] StandardScaler minor refactor ```withStd``` and ```withMean``` should be params of ```StandardScaler``` and ```StandardScalerModel```. Author: Yanbo Liang Closes #9839

spark git commit: [SPARK-11852][ML] StandardScaler minor refactor

Repository: spark Updated Branches: refs/heads/master a66142dec -> 9ace2e5c8 [SPARK-11852][ML] StandardScaler minor refactor ```withStd``` and ```withMean``` should be params of ```StandardScaler``` and ```StandardScalerModel```. Author: Yanbo Liang Closes #9839 from