Merge branch 'patch-46' into 'master'

Fix title and description from "JIRA" to "Bugzilla"

See merge request gitlab-org/gitlab!22255

spec/models/project_services/bugzilla_service_spec.rb

@@ -34,8 +34,6 @@ describe BugzillaService do
   end
 
   context 'overriding properties' do
-    let(:default_title) { 'JIRA' }
-    let(:default_description) { 'JiraService|Jira issue tracker' }
     let(:url) { 'http://bugzilla.example.com' }
     let(:access_params) do
       { project_url: url, issues_url: url, new_issue_url: url }