Facets-overview

of the jar file

* Apache Spark 1.x => 2.4.6
* Scalapb 0.7.0-rc4 => 0.9.8
* scalapb-json4s => 0.10.0
* spark-tensorflow-connector 1.6.0 => 1.15.0
* tensorflow 1.8.0 => 1.15.0
* protobuf version 3.0.0 => 3.8.0