Jira integration improvements

This meta issue lists the main enhancements, feature requests and bugs in both EE and CE issue trackers.

Done in 8.13

• Refactor JIRA integration to use jira gem (https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/2572)
• Bug: Comment triggered incorrectly (https://gitlab.com/gitlab-org/gitlab-ee/issues/828)

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Future releases

Other important JIRA issues (should be done in a next release)

• Bugs

  • If Jira issue id mentioned in many commits, it is duplicated multiple times in MR (https://gitlab.com/gitlab-org/gitlab-ce/issues/20479)
  • Issues can't be closed after JIRA integration (https://gitlab.com/gitlab-org/gitlab-ce/issues/1981)

• Add remote issue links to JIRA (https://gitlab.com/gitlab-org/gitlab-ce/issues/13232) Need weight

• Ability to configure the JiRA plugin (https://gitlab.com/gitlab-org/gitlab-ce/issues/5541) Need weight

• Better documentation

  • Update JIRA attributes available via API https://gitlab.com/gitlab-org/gitlab-ee/issues/440

• Enhancements (in order of upvotes - the higher in the list, the more votes)

  • See build statuses per commit within JIRA (https://gitlab.com/gitlab-org/gitlab-ce/issues/5994) Awaiting answer
  • Multiple Closes request to Jira issue (https://gitlab.com/gitlab-org/gitlab-ce/issues/20734) Awaiting answer
  • Jira Developement Panel (https://gitlab.com/gitlab-org/gitlab-ce/issues/20418) NOT POSSIBLE AT THIS TIME
  • Two way JIRA integration for comments (https://gitlab.com/gitlab-org/gitlab-ce/issues/20570) Too complex at this time

• Enhancements that looks like bugs

  • Avoid multiple comments in Jira for the same mention (https://gitlab.com/gitlab-org/gitlab-ee/issues/563)
  • Overly verbose comments in JIRA (https://gitlab.com/gitlab-org/gitlab-ce/issues/19825)

cc @JobV