porto earn 3-1 champions league quarter-final first leg victory against bayern munich .
ricardo quaresma gives porto early lead with third minute penalty after manuel neuer 's foul on jackson martinez .
former chelsea man quaresma doubles home side 's lead following mistake from bayern defender dante .
thiago alcantara pulls bundesliga champions back into the tie with 28th minute strike .
colombian forward martinez puts porto into commanding 3-1 lead midway through second half .