new YLE Areena handler, uses json-api
fix for verkkokauppa.com handler
Merge pull request #106 from kipe/areena

New YLE Areena handler and fix for verkkokauppa.com
handle live areena urls
moved areena tests to own file
Merge pull request #107 from kipe/areena

Fixes for YLE Areena handler
Merge remote-tracking branch 'upstream/master'