Examples: Use yr.no API for the embedded/weatherinfo example

Since the google API is no longer available

Task-number: QTBUG-38041

Change-Id: I8ef91a047cade27856579cf871efb5e10afd2350
Reviewed-by: Mitch Curtis <mitch.curtis@digia.com>
Reviewed-by: Shawn Rutledge <shawn.rutledge@digia.com>