[11.9] Revert "Remove HipChat integration from GitLab" (!27257) · Merge requests · GitLab.org / GitLab FOSS · GitLab

Sean McGivern requested to merge restore-hipchat-11-9 into 11-9-stable Apr 11, 2019

11.9 version of https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/27172.

Edited Apr 11, 2019 by Sean McGivern