Add telemetry collection code to Winjs to be used in Microsoft WinJS fra...

...mework package.

2 files are added:
1. _telemetryImpl.js - which will be used when building Microsoft WinJS framework package
2. _telemetry.js - the default no-op file
I think this could be a lot simpler, actually. Let's drop _lazy (it's not going to help that much) and why would we bother publishing this to Utilities? Let's just return the singleton instance of the object from the module definition instead.