Add CSV setting type; Settings framework improvements

CSV/JSON/XLSX downloads should not be subject to default constraints

Simpler enterprise guide

CircleCI config simplifications step 1

[ci drivers]

[ci drivers]

Support new MB_SESSION_COOKIES=true option

Fix tests not cleaning up after themselves 

Fix misplaced queryOptions

Set X-Accel-Buffering header in streaming resp so nginx doesn't buffer 

Set X-Accel-Buffering header in streaming resp so nginx doesn't buffer 

[Some] Async QP middleware

[ci druid]

[ci druid]

Fix load-from-h2 behavior for DashboardCards 

Fix GeoJSON not being downloadable in embeds