By Isla Binnie MILAN (Reuters) – Italian fashion house Prada sent models down the runway in military-inspired khaki dresses topped with bejewelled bras, while Roberto Cavalli showed a riot of neon and mismatched prints on Thursday during Milan's biannual women's fashion week. Actors, models and designers flocked to a Milanese mansion filled with mannequins wearing ornate paper dresses, hosted by Vogue Italy and P&G Prestige to mark fashion week, which includes 74 official catwalks. …