Fetch all submitters in one go in the dashboard.
Fetch all submitters in one go in the dashboard.

We were doing a query per submitter in the dashboard. This was a bit
overkill. Now we fetch it along with the initial query for the dashboard
rows.

KnowNo/reviewboard,KnowNo/reviewboard,1tush/reviewboard,beol/reviewboard,atagar/ReviewBoard,1tush/reviewboard,atagar/ReviewBoard,chazy/reviewboard,chazy/reviewboard,atagar/ReviewBoard,Khan/reviewboard,KnowNo/reviewboard,chazy/reviewboard,davidt/reviewboard,sgallagher/reviewboard,1tush/reviewboard,atagar/ReviewBoard,davidt/reviewboard,reviewboard/reviewboard,atagar/ReviewBoard,davidt/reviewboard,1tush/reviewboard,Khan/reviewboard,Khan/reviewboard,Khan/reviewboard,bkochendorfer/reviewboard,custode/reviewboard,chazy/reviewboard,sgallagher/reviewboard,Khan/reviewboard,chazy/reviewboard,brennie/reviewboard,sgallagher/reviewboard,reviewboard/reviewboard,1tush/reviewboard,Khan/reviewboard,bkochendorfer/reviewboard,1tush/reviewboard,bkochendorfer/reviewboard,chazy/reviewboard,chipx86/reviewboard,custode/reviewboard,atagar/ReviewBoard,brennie/reviewboard,chazy/reviewboard,atagar/ReviewBoard,custode/reviewboard,beol/reviewboard,Khan/reviewboard,1tush/reviewboard,brennie/reviewboard,chipx86/reviewboard,beol/reviewboard,chazy/reviewboard,chipx86/reviewboard,1tush/reviewboard,chipx86/reviewboard,brennie/reviewboard,davidt/reviewboard,beol/reviewboard,Khan/reviewboard,reviewboard/reviewboard,reviewboard/reviewboard,Khan/reviewboard,custode/reviewboard,atagar/ReviewBoard,sgallagher/reviewboard,KnowNo/reviewboard,chazy/reviewboard,1tush/reviewboard,bkochendorfer/reviewboard,atagar/ReviewBoard