update README badges; enable publish_pypi

Author: Lee Yang

README.md

@@ -7,7 +7,10 @@ Please see LICENSE file in the project root for terms.
 > _TensorFlowOnSpark brings scalable deep learning to Apache Hadoop and Apache Spark
 clusters._
 
-[![Build Status](https://travis-ci.org/yahoo/TensorFlowOnSpark.svg?branch=master)](https://travis-ci.org/yahoo/TensorFlowOnSpark) [![PyPI version](https://badge.fury.io/py/tensorflowonspark.svg)](https://badge.fury.io/py/tensorflowonspark)
+[![Build Status](https://cd.screwdriver.cd/pipelines/6384/badge?nocache=true)](https://cd.screwdriver.cd/pipelines/6384)
+[![Package](https://img.shields.io/badge/package-pypi-blue.svg)](https://pypi.org/project/tensorflowonspark/)
+[![Downloads](https://img.shields.io/pypi/dm/tensorflowonspark.svg)](https://img.shields.io/pypi/dm/tensorflowonspark.svg)
+[![Documentation](https://img.shields.io/badge/Documentation-latest-blue.svg)](https://yahoo.github.io/TensorFlowOnSpark/)
 
 By combining salient features from the [TensorFlow](https://www.tensorflow.org) deep learning framework with [Apache Spark](http://spark.apache.org) and [Apache Hadoop](http://hadoop.apache.org), TensorFlowOnSpark enables distributed
 deep learning on a cluster of GPU and CPU servers.

screwdriver.yaml

@@ -41,13 +41,16 @@ jobs:
     environment:
       PUBLISH: True
       TWINE_REPOSITORY_URL: https://test.pypi.org/legacy/
-    requires: [validate_test, validate_lint, validate_codestyle, validate_safetydb, generate_version]
+    requires: [validate_test, validate_lint, validate_codestyle, validate_safetydb]
     steps:
       - update_version: |
           echo 'using version from setup.cfg'
 
-#  publish_pypi:
-#    template: python/package_python
-#    environment:
-#      PUBLISH: True
-#    requires: [verify_test_package]
+  publish_pypi:
+    template: python/package_python
+    environment:
+      PUBLISH: True
+    requires: [publish_test_pypi]
+    steps:
+      - update_version: |
+          echo 'using version from setup.cfg'