[SPARK-14709][ML] spark.ml API for linear SVM

## What changes were proposed in this pull request?

jira: https://issues.apache.org/jira/browse/SPARK-14709

Provide API for SVM algorithm for DataFrames. As discussed in jira, the initial implementation uses OWL-QN with Hinge loss function.
The API should mimic existing spark.ml.classification APIs.
Currently only Binary Classification is supported. Multinomial support can be added in this or following release.
## How was this patch tested?

new unit tests and simple manual test

Author: Yuhao <yuhao.yang@intel.com>
Author: Yuhao Yang <hhbyyh@gmail.com>

Closes #15211 from hhbyyh/mlsvm.