progressive loading db change
Progressive Load Improvements - Migration and Clenup
Merge pull request #1 from javierluraschi/yitaoprogload

Progressive Load Improvements - Migration and Cleanup
Progressive Load Improvements - Count Exhibits, Timelines and Content Items
merging upstream changes
Merge pull request #2 from javierluraschi/yitaoprogload

Progressive Load Improvements - Count Exhibits, Timelines and Content Items
Merge pull request #581 from yl790/progressive_loading_db_change_20130605

Progressive loading DB change