Give reviewers access to "their" abstracts
Give reviewers access to "their" abstracts

Also added Abstract.can_review() to check whether a user can review a
specific abstract

pferreir/indico,DirkHoffmann/indico,mvidalgarcia/indico,indico/indico,OmeGak/indico,mvidalgarcia/indico,pferreir/indico,DirkHoffmann/indico,mvidalgarcia/indico,mic4ael/indico,ThiefMaster/indico,mvidalgarcia/indico,pferreir/indico,ThiefMaster/indico,DirkHoffmann/indico,mic4ael/indico,OmeGak/indico,OmeGak/indico,indico/indico,ThiefMaster/indico,indico/indico,OmeGak/indico,ThiefMaster/indico,mic4ael/indico,pferreir/indico,indico/indico,DirkHoffmann/indico,mic4ael/indico