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
The comment says the parameter is an "**Array** of name/value pair items...". It looks like the parameter is really an "**Object** of name/value pair items..."