Modified reporting to conform to specs in README.md. Changed timestamp to ISO8601UTC.

Signed-off-by: Magnus Feuer <mfeuer@jaguarlandrover.com>
Now fakely unpacks the correct file. Real download and install will be provided in crosswalk port when wrt-installer does not HANG THE SYSTEM.

Signed-off-by: Magnus Feuer <mfeuer@jaguarlandrover.com>