updated docs help (missed metric description) and icons

mainline/doc/home.html

@@ -361,6 +361,13 @@ class WeekClass {
 </pre>
                 	</td>
               </tr>
+              <tr>
+                <td>std.code.magic.numbers</td>
+                <td>Number of magic numbers. There is an option to exclude 0, -1 and 1 numbers from counting.</td>
+                <td>Magic numbers are dangerous.
+                	The <a href="http://stackoverflow.com/questions/47882/what-is-a-magic-number-and-why-is-it-bad" target="blank">
+                		discussion on stackoverflow</a> explains why.</td>
+              </tr>
               <tr>
                 <td>std.suppress</td>
                 <td>An option enables collection of Metrix++ suppressions and 2 metrics: 'std.suppress:count' and