Over the few weeks since the collapse of efforts to hammer out a debt-for-equity deal between the Ardagh Group and its bondholders on May 20, the company and its majority shareholder Paul Coulson have submitted their responses to a breakaway group of lenders who decided to take the matter to court in New York.  With just over one year from a major debt repayment deadline, the global glass and metal packaging manufacturer, now registered in Luxembourg, is going back to the drawing board as pressure mounts on its balance sheet. Around 20,000 employees worldwide await the outcome of negotiations where…