As business fallouts go, a row over access to a hotel suite in Spain is not a typical trigger. But for Gerard Lane and Denis Connolly, owners of Co Wicklow wedding destination Tinakilly House, it was just such a disagreement that planted the seed of discontent in a lengthy business association. Or at least that is what court filings indicate.  Introduced by a mutual friend in 2013, the men — neither in their first flush of youth — hit it off. The same year, they clubbed together to buy Tinakilly House Hotel in Rathnew from receivers. The market was slowly…