change mock data to have integer IDs instea of strings
Merge branch 'master' of https://github.com/ALE-Team/ale-mock

* 'master' of https://github.com/ALE-Team/ale-mock:
  Stubbing PinView comment block
  Adding credit block to PinView
  Eric forgot to set Untitiled before adding new boards without a name.
  Render mock-data title in PinView
  Additional formatting for Pin UI