Tributes have been pouring in all morning for comedian Brendan Grace who has passed away aged 68.   It's understood the Dubliner died in the early hours of Thursday morning after a short battle with lung cancer.  Last week, it was announced that he had to cancel his summer tour after receiving the devastating news while he was being treated for pneumonia.  The dad-of-four has been married to Eileen Doyle since 1973.  Well, listeners called in to Ciara to relay their memories of the great man, where they met him and saw him perform.