Fix links that use old 'cohort' parameter
Fix links that use old 'cohort' parameter

KarmaHater/WikiEduDashboard,alpha721/WikiEduDashboard,feelfreelinux/WikiEduDashboard,Wowu/WikiEduDashboard,Wowu/WikiEduDashboard,majakomel/WikiEduDashboard,Wowu/WikiEduDashboard,sejalkhatri/WikiEduDashboard,alpha721/WikiEduDashboard,WikiEducationFoundation/WikiEduDashboard,sejalkhatri/WikiEduDashboard,WikiEducationFoundation/WikiEduDashboard,KarmaHater/WikiEduDashboard,KarmaHater/WikiEduDashboard,KarmaHater/WikiEduDashboard,sejalkhatri/WikiEduDashboard,alpha721/WikiEduDashboard,feelfreelinux/WikiEduDashboard,majakomel/WikiEduDashboard,majakomel/WikiEduDashboard,sejalkhatri/WikiEduDashboard,sejalkhatri/WikiEduDashboard,majakomel/WikiEduDashboard,WikiEducationFoundation/WikiEduDashboard,WikiEducationFoundation/WikiEduDashboard,feelfreelinux/WikiEduDashboard,Wowu/WikiEduDashboard,alpha721/WikiEduDashboard,feelfreelinux/WikiEduDashboard,WikiEducationFoundation/WikiEduDashboard