Glaxo Settles Paxil 'Suicide Pill' Suit  NEW YORK (Reuters) - GlaxoSmithKline Plc &lt;A HREF="http://www.investor.reuters.com/FullQuote.aspx?ticker=GSK.L target=/stocks/quickinfo/fullquote"&gt;GSK.L&lt;/A&gt; has agreed  to release all clinical studies of its drugs to settle a  lawsuit that accused it of withholding negative information  about the antidepressant Paxil, the New York Attorney General's  office said on Thursday.