This is the first of a two-part column. The second part will be published Tuesday.A condominium developer’s fight with an insurance company about liability coverage for a lawsuit where a condominium association demanded reimbursement — after paying $309,000 to fix a leaky roof — generated a noteworthy debate in the Illinois Appellate Court about whether the association’s complaint triggered a duty to defend the developer as an additional insured under the roofing contractor’s policy.According …