applied some more best practice recommendations for angular that were published a few days ago, see https://docs.google.com/document/d/1XXMvReO8-Awi1EZXAXS4PzDzdNvV6pGcuaF4Q9821Es/pub

simplified piwikApi, prepared to cache result but does not work yet as we have to use GET, added some more features and more bugfixes

started to integrate angularjs by rewriting the websites selector, it is still in progress and it is to defined how we want to deliver our templates and where we want to place our files, still a lot of work todo