spark git commit: [SPARK-7380] [MLLIB] pipeline stages should be copyable in Python

Repository: spark Updated Branches: refs/heads/branch-1.4 7d44c01c5 -> cf4e04a0c [SPARK-7380] [MLLIB] pipeline stages should be copyable in Python This PR makes pipeline stages in Python copyable and hence simplifies some implementations. It also includes the following changes: 1. Rename `pa

spark git commit: [SPARK-7380] [MLLIB] pipeline stages should be copyable in Python

Repository: spark Updated Branches: refs/heads/master 56ede8848 -> 9c7e802a5 [SPARK-7380] [MLLIB] pipeline stages should be copyable in Python This PR makes pipeline stages in Python copyable and hence simplifies some implementations. It also includes the following changes: 1. Rename `paramM