Fix the path to the reviewboard directory for docs generation.
Fix the path to the reviewboard directory for docs generation.

The docs generation was using the system ReviewBoard install since the
Python Path being set was pointing to the wrong directory. Now it will
use the correct one for the 1.5 docs.

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