Add jenkins service to the list.

app/models/project.rb

@@ -73,7 +73,6 @@ class Project < ActiveRecord::Base
   has_one :asana_service, dependent: :destroy
   has_one :gemnasium_service, dependent: :destroy
   has_one :slack_service, dependent: :destroy
-  has_one :jira_service, dependent: :destroy
   has_one :jenkins_service, dependent: :destroy
   has_one :buildbox_service, dependent: :destroy
   has_one :bamboo_service, dependent: :destroy

app/models/service.rb

@@ -99,8 +99,26 @@ class Service < ActiveRecord::Base
   end
 
   def self.available_services_names
-    %w(gitlab_ci campfire hipchat pivotaltracker flowdock assembla asana
-       emails_on_push gemnasium slack pushover buildbox bamboo teamcity jira redmine custom_issue_tracker)
+    %w(
+      gitlab_ci
+      campfire
+      hipchat
+      pivotaltracker
+      flowdock
+      assembla
+      asana
+      emails_on_push
+      gemnasium
+      slack
+      jenkins
+      pushover
+      buildbox
+      bamboo
+      teamcity
+      jira
+      redmine
+      custom_issue_tracker
+    )
   end
 
   def self.create_from_template(project_id, template)