Query caching

[jmdobry]

By default angular-data remembers each query that has been made. For example:

DS.findAll('document', { query: { limit: 20 } });

When this same query is made again angular-data immediately resolves the promise with the result of DS.filter('document', { query: { limit: 20 } });

Devs should have the option of invalidating a particular query to force angular-data to run the query through the async adapter (AJAX, IndexedDB, etc).

[jmdobry]

Finalize in 0.6.0