Modify PrivateElementMethods#user_can_access_private_target to handle legacy comments
Modify PrivateElementMethods#user_can_access_private_target to handle legacy comments

i.e. comments that had projects as their target

irfanah/teambox,irfanah/teambox,nfredrik/teambox,rahouldatta/teambox,rahouldatta/teambox,rahouldatta/teambox,vveliev/teambox,irfanah/teambox,vveliev/teambox,irfanah/teambox,teambox/teambox,vveliev/teambox,nfredrik/teambox,nfredrik/teambox,teambox/teambox,teambox/teambox,vveliev/teambox,nfredrik/teambox