Merge branch 'refactor-realtime-issue' into 'master'

app/assets/javascripts/issue_show/actions/tasks.js

app/assets/javascripts/issue_show/components/app.vue

app/assets/javascripts/issue_show/components/description.vue

app/assets/javascripts/issue_show/components/title.vue

app/assets/javascripts/issue_show/index.js

...assets/javascripts/issue_show/issue_title_description.vue

app/assets/javascripts/issue_show/mixins/animate.js

app/assets/javascripts/issue_show/services/index.js

app/assets/javascripts/issue_show/stores/index.js

app/assets/stylesheets/framework/mobile.scss

app/controllers/projects/issues_controller.rb

app/helpers/issuables_helper.rb

app/views/projects/issues/show.html.haml

spec/javascripts/issue_show/components/app_spec.js

spec/javascripts/issue_show/components/description_spec.js

spec/javascripts/issue_show/components/title_spec.js

spec/javascripts/issue_show/mock_data.js