Merge pull request #76 from jonuy/end-level-wait

End level player evaluation
Updating competitive story config with end level group messaging and level 2 message
End level group messaging + next level auto-start
- mobilecommons.optin() can now be called after a delay through scheduleMobileCommonsOptIn()
Merge branch 'end-level-transition' of https://github.com/jonuy/ds-mdata-responder into end-level-transition