Add actions to scheduled job buttons on job list page

app/views/projects/ci/builds/_build.html.haml

@@ -107,9 +107,15 @@
               title: job.scheduled_at }
               = sprite_icon('planning')
               = duration_in_numbers(job.execute_in, true)
-            .btn.btn-default.btn-build.has-tooltip{ title: s_('DelayedJobs|Start now') }
+            = link_to play_project_job_path(job.project, job, return_to: request.original_url),
+              method: :post,
+              title: s_('DelayedJobs|Start now'),
+              class: 'btn btn-default btn-build has-tooltip' do
               = sprite_icon('play')
-            .btn.btn-default.btn-build.has-tooltip{ title: s_('DelayedJobs|Unschedule') }
+            = link_to unschedule_project_job_path(job.project, job, return_to: request.original_url),
+              method: :post,
+              title: s_('DelayedJobs|Unschedule'),
+              class: 'btn btn-default btn-build has-tooltip' do
               = sprite_icon('time-out')
         - elsif allow_retry
           - if job.playable? && !admin && can?(current_user, :update_build, job)