spark git commit: [SPARK-9888] [MLLIB] User guide for new LDA features

Repository: spark Updated Branches: refs/heads/master 7467b52ed - 125205cdb [SPARK-9888] [MLLIB] User guide for new LDA features * Adds two new sections to LDA's user guide; one for each optimizer/model * Documents new features added to LDA (e.g. topXXXperXXX, asymmetric priors, hyperpam

spark git commit: [SPARK-9888] [MLLIB] User guide for new LDA features

Repository: spark Updated Branches: refs/heads/branch-1.5 4c03cb4da - 5cf266fde [SPARK-9888] [MLLIB] User guide for new LDA features * Adds two new sections to LDA's user guide; one for each optimizer/model * Documents new features added to LDA (e.g. topXXXperXXX, asymmetric priors,