[FIX] Collaboration checkStatus error
[FIX] Collaboration checkStatus error

 - Correctly return a CSErrorBase object if
 error happens in checkStatus. Example:
 try to check the status of a booking that
 has been deleted remotely.

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