* Integrate mt querier with query caching
* typo
* let the caller set cache status response header
* fix TestQueryAPI
* make gen-go
* handle CachingServiceClient being nil and make gen-go
* include namespace in cache key
* set signed in user namespace in query_test.go
* fix test
* remove commented out code
* undo services/query/query.go changes
* make gen-go
* remove namespace requirement
* fix tests
* fix test
* remove namespace from SignedInUser in tests
* make gen-go
437dcc875c