update coords for Boston event
update coords for Boston event

yugangbai/coderetreat.github.io,svenlange/coderetreat.github.io,coderetreat/coderetreat.github.io,yugangbai/coderetreat.github.io,coderetreat/coderetreat.github.io,yugangbai/coderetreat.github.io,svenlange/coderetreat.github.io,svenlange/coderetreat.github.io,svenlange/coderetreat.github.io,coderetreat/coderetreat.github.io,yugangbai/coderetreat.github.io,coderetreat/coderetreat.github.io