Add intersphinx back to www site.
Add intersphinx back to www site.

Also fix up sys.path munging to match www site's file

askulkarni2/fabric,rane-hs/fabric-py3,kxxoling/fabric,TarasRudnyk/fabric,likesxuqiang/fabric,pgroudas/fabric,sdelements/fabric,elijah513/fabric,haridsv/fabric,rodrigc/fabric,jaraco/fabric,raimon49/fabric,xLegoz/fabric,rbramwell/fabric,ploxiln/fabric,opavader/fabric,cgvarela/fabric,tekapo/fabric,SamuelMarks/fabric,qinrong/fabric,cmattoon/fabric,StackStorm/fabric,fernandezcuesta/fabric,itoed/fabric,bspink/fabric,bitmonk/fabric,mathiasertl/fabric,tolbkni/fabric,kmonsoor/fabric,amaniak/fabric