Changed Singleton Type to match POs example code
Merge branch 'xsimov/notifications-branch' of https://github.com/xsimov/meet-me-client into xsimov-xsimov/notifications-branch

* 'xsimov/notifications-branch' of https://github.com/xsimov/meet-me-client:
  Changed Singleton Type to match POs example code
Merge branch 'xsimov-xsimov/notifications-branch'

* xsimov-xsimov/notifications-branch:
  Changed Singleton Type to match POs example code