Boiler Room is an institution, no doubt. From its weekly Tuesday night gigs in London four years ago to a near constant international revolution of live-streamed music, its rise has been exponential. What’s been surprising then, has been its absence in Ireland. That changed, finally, last night, when Glacial Sound launched the first Dublin event of its kind. Eyebrows were raised upon its announcement, with techno fans wondering “why grime?” The simple answer is that these are the people that made it happen. The drive and passion of Glacial’s Paul Purcell is unmatched in these parts, which is why with…