UPDATE 1-Kabel Deutschland Q1 core profit, revenue miss view
* Q1 adj. EBITDA 217 mln euros vs 220 mln avg in Rtrs poll * Investments in broadband roll-out weigh * Sticks to 2013/14 outlook of 8 pct revenue increase FRANKFURT, Aug 14 (Reuters) - Kabel Deutschland reported on Wednesday worse-than-expected core profit for its fiscal first
