update credits

browser/base/locale/credits.html

@@ -204,12 +204,14 @@
             Darin Fisher<br>
             Joe Hewitt<br>
             Ian Hickson<br>
+            Glenn Johnson<br>
             Michael Kaply<br>
             R.J. Keller<br>
             Will Levine<br>
             Scott MacGregor<br>
             Daniel Matejka<br>
             Noririty<br>
+            Igor Pavlov, 7-Zip<br>
             Mike Pinkerton<br>
             Jesse Ruderman<br>
             Benjamin Smedberg<br>