- do not require a long list of settings to be passed in to consturct core
https://github.com/openpeer/op/issues/34
- avoid double auto-applying settings when no settings delegate present before stack is setup
https://github.com/openpeer/op/issues/34

- added getAuthorizedApplicationIDExpiry to determine if application id is expired so it won't be used beyond the valid expiry window
Fixed bug when timer string is not retrieved properly from authorised application id