Bulk Operation

SPARK-6725 Model export/import for spark.ml: RandomForests

SPARK-6725 Model export/import for spark.ml: GBTs

SPARK-6725 Model export/import for spark.ml: BisectingKMeans

SPARK-6725 Model export/import for spark.ml: ElementwiseProduct

SPARK-6725 Create user guide section explaining export/import

SPARK-6725 Model export/import for spark.ml: TrainValidationSplit

SPARK-6725 Model export/import for spark.ml: OneVsRest

SPARK-6725 Model export/import for RFormula and RFormulaModel

SPARK-6725 Model export/import for spark.ml: DecisionTreeClassifier,Regressor

SPARK-6725 Model export/import for spark.ml: Multilayer Perceptron

SPARK-6725 Model export/import for spark.ml: k-means & naive Bayes

SPARK-6725 Model export/import for spark.ml: LDA

SPARK-6725 Model export/import for spark.ml: AFTSurvivalRegression and IsotonicRegression

SPARK-6725 Cleanups to existing Readers and Writers

SPARK-6725 Renames traits to avoid collision with java.util.* and add use default traits to simplify the impl

SPARK-6725 Model export/import for spark.ml: estimators under ml.feature (II)

SPARK-6725 Model export/import for spark.ml: all basic Transformers

SPARK-6725 JSON serialization of Param[Vector]

SPARK-6725 Refactoring to create template for Estimator, Model pairs

SPARK-6725 Refactoring of basic ML import/export

SPARK-6725 Model export/import for spark.ml: Pipeline and PipelineModel

SPARK-6725 Model import/export for non-meta estimators and transformers

SPARK-6725 JSON serialization of standard params

SPARK-6725 Model export/import for spark.ml: CrossValidator

SPARK-6725 Model export/import for spark.ml: LinearRegression

SPARK-6725 Model export/import for spark.ml: ALS

SPARK-6725 Model export/import for spark.ml: Tokenizer

SPARK-6725 Model export/import for spark.ml: estimators under ml.feature (I)

SPARK-6725 Model export/import for spark.ml: Normalizer

SPARK-6725 Model export/import for spark.ml: HashingTF

SPARK-6725 Model export/import for spark.ml: LogisticRegression