[SPARK-14077][ML] Refactor NaiveBayes to support weighted instances

## What changes were proposed in this pull request?
1,support weighted data
2,use dataset/dataframe instead of rdd
3,make mllib as a wrapper to call ml

## How was this patch tested?
local manual tests in spark-shell
unit tests

Author: Zheng RuiFeng <ruifengz@foxmail.com>

Closes #12819 from zhengruifeng/weighted_nb.