Fix the Djblets dependency to require the dev version.
Fix the Djblets dependency to require the dev version.

KnowNo/reviewboard,KnowNo/reviewboard,davidt/reviewboard,1tush/reviewboard,sgallagher/reviewboard,bkochendorfer/reviewboard,reviewboard/reviewboard,1tush/reviewboard,sgallagher/reviewboard,reviewboard/reviewboard,sgallagher/reviewboard,beol/reviewboard,beol/reviewboard,1tush/reviewboard,brennie/reviewboard,reviewboard/reviewboard,KnowNo/reviewboard,1tush/reviewboard,davidt/reviewboard,chipx86/reviewboard,brennie/reviewboard,reviewboard/reviewboard,sgallagher/reviewboard,KnowNo/reviewboard,1tush/reviewboard,1tush/reviewboard,custode/reviewboard,beol/reviewboard,brennie/reviewboard,beol/reviewboard,brennie/reviewboard,bkochendorfer/reviewboard,bkochendorfer/reviewboard,1tush/reviewboard,davidt/reviewboard,custode/reviewboard,davidt/reviewboard,chipx86/reviewboard,1tush/reviewboard,bkochendorfer/reviewboard,custode/reviewboard,custode/reviewboard,chipx86/reviewboard,1tush/reviewboard,chipx86/reviewboard