(Refiles to fix formatting)LONDON, Oct 2 (Reuters) - The euro gained against the dollar while euro zone bond yields rose on Thursday as European Central Bank President Mario Draghi gave no hints of an imminent sovereign bond buying programme in his post-meeting news conference.For Draghi&aposs comments click on ID:nECBNEWS"The market is at highs and in order for us to sustain these levels we need