Added caching for the sitewide grid tabs.
Added caching for the sitewide grid tabs.

pydanny/djangopackages,audreyr/opencomparison,nanuxbe/djangopackages,QLGu/djangopackages,pydanny/djangopackages,pydanny/djangopackages,cartwheelweb/packaginator,nanuxbe/djangopackages,benracine/opencomparison,miketheman/opencomparison,cartwheelweb/packaginator,nanuxbe/djangopackages,QLGu/djangopackages,audreyr/opencomparison,QLGu/djangopackages,benracine/opencomparison,cartwheelweb/packaginator,miketheman/opencomparison