merge master

* master:
  added hook for new work item notification
  email hooks in server
  dynamic popover creation
  style fix
  email notify on commenting subscribed item.
  subscription
  fix management work item modal call
  change modal title
  remove old modeling item modal
  new ideation modal fix
  modeling description -> body
  work item common modal
new work item button on management perspective
merge master

* master:
  at tag notification fix
  at tag notification
  project subscription(watch/unwatch) added
  restore artifact image, jbpm dummy app name changed
  email notification on new work item.
  restore artifact image, jbpm dummy app name changed
  fix conflict things for merge
  delete artifact
  add the title under the artifact preview
  change the style of bpmn editor
  add permanant link to email body
  delete test function of delete artifact
  jbpm integration
  add the jbpm app
fix work group select empty value bug
Merge pull request #66 from eskim/hotfix

Hotfix