Retrieves game info using giantbomb API (XML)

Signed-off-by: nixnodes <code@eth.si>
Retrieves iMDB info using omdbapi (XML)

Signed-off-by: nixnodes <code@eth.si>
Now uses iMDB native API as primary search, omdbapi as fallback

Signed-off-by: nixnodes <code@eth.si>