add permanant link to email body
merge upstream/master

* master:
  fix management work item modal call
  fix the bug management perspective show all solutions work items.
  ideation list default sort
  change modal title
  remove old modeling item modal
  new ideation modal fix
  modeling description -> body
  work item common modal
delete artifact
email notification on new work item.
project subscription(watch/unwatch) added
at tag notification
at tag notification fix
merge dwlee/master

* dwlee_master:
  restore artifact image, jbpm dummy app name changed
  restore artifact image, jbpm dummy app name changed
  fix conflict things for merge
  add the title under the artifact preview
  change the style of bpmn editor
  delete test function of delete artifact
  jbpm integration
  add the jbpm app
merge eskim/email_notification

* email_notification:
  at tag notification fix
  at tag notification
  project subscription(watch/unwatch) added
  email notification on new work item.
  add permanant link to email body
merge eskim/delete-artifact

* artifact-delete:
  delete artifact