Jira refactoring to jira gem
part of gitlab-org/gitlab-ee#1008
Refactor the JIRA integration to simplify configuration and use the jira
gem instead of doing our own calls.
To Do
-
Working implementation -
Finalize error handling -
Write/Fix tests -
Documentation -
Migrations
Screenshots
Old configuration
New configuration
Original MR: https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/2572/commits