Remove HTML content from a css file. The html part is now moved into Java.

This issue had been reported at http://sourceforge.net/tracker/?func=detail&atid=879335&aid=2874694&group_id=176962

client/src/org/adempiere/apps/graph/HtmlDashboard.java

@@ -119,8 +119,10 @@ public class HtmlDashboard extends JPanel implements MouseListener,
 			ins = new InputStreamReader(url.openStream());
 			BufferedReader bufferedReader = new BufferedReader( ins );
 			String cssLine;
+			result += "<style type=\"text/css\">";
 			while ((cssLine = bufferedReader.readLine()) != null) 
 				result += cssLine + "\n";
+			result += "</style>";
 		} catch (IOException e1) {
 			log.log(Level.SEVERE, e1.getLocalizedMessage(), e1);
 		}

client/src/org/compiere/images/PAPanel.css

@@ -1,4 +1,3 @@
-<style><!--
 body {
 	margin-top: 0px;
 	margin-left: 0px;
@@ -50,4 +49,3 @@ body {
 .tdcontent {
 	background-color: #D6E1DD;
 }
---></style>