Fix Pulse and update Henry to work with recent Looker system_activity model changes#57

JorickvdHoeven wants to merge 3 commits intolooker-open-source:masterlooker-open-source/henry:masterfrom

JorickvdHoeven:Update-Henry-to-work-with-the-latest-Looker-updatesJorickvdHoeven/henry:Update-Henry-to-work-with-the-latest-Looker-updatesCopy head branch name to clipboard