Some general cleanup for css/markup and collapsing of line profiler module

Author: dcramer

debug_toolbar/media/debug_toolbar/css/toolbar.css

@@ -145,11 +145,16 @@
 	opacity:1.0;
 }
 
-#djDebug code {
+#djDebug code, #djDebug pre {
 	display:block;
 	font-family:Consolas, Monaco, "Bitstream Vera Sans Mono", "Lucida Console", monospace;
 	white-space:pre;
 	overflow:auto;
+	white-space: pre-wrap;       /* CSS-3                  */
+	white-space: -moz-pre-wrap;  /* Mozilla, since 1999    */
+	white-space: -pre-wrap;      /* Opera 4-6              */
+	white-space: -o-pre-wrap;    /* Opera 7                */
+	word-wrap: break-word;       /* Internet Explorer 5.5+ */
 }
 
 #djDebug tr.djDebugOdd {