jira-pytyhon package should be installed by

  sudo pip install jira

cc pwendell

Author: Davies Liu <davies@databricks.com>

Closes #6367 from davies/fix_jira_python2 and squashes the following commits:

fbb3c8e [Davies Liu] Fix install jira-python

Author: tedyu <yuzhihong@gmail.com>

Closes #6153 from ted-yu/master and squashes the following commits:

4e0bac5 [tedyu] Use JIRA_PROJECT_NAME as variable name
ab982aa [tedyu] Make SPARK prefix a variable

A small bug that was found in our JIRA sync script.

For a bunch of reasons we should automatically populate a JIRA with information about new pull requests when they arrive. I've written a small python script to do this that we can run from Jenkins every 5 or 10 minutes to keep things in sync.

Author: Patrick Wendell <pwendell@gmail.com>

Closes #1496 from pwendell/github-integration and squashes the following commits:

55ad226 [Patrick Wendell] Small fix
afda547 [Patrick Wendell] Use sequence instead of dictiory for JIRA's
3e18cc1 [Patrick Wendell] Small edits
84c5606 [Patrick Wendell] SPARK-2596 A tool for mirroring github pull requests on JIRA.