Don't collapse the left-hand side of the diff when showing an interdiff for a newly added file.
Don't collapse the left-hand side of the diff when showing an interdiff
for a newly added file.

Fixes bug #730




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