Fix override for icon-white

CSS Selector was not matching => wrong image loaded in certain cases

packages/bootstrap/css/bootstrap-override.css

@@ -1,4 +1,4 @@
-/* 
+/*
  * XXX Hack to make bootstrap work when bundled. This needs to be included
  * _after_ the standard bootstrap css files.
  *
@@ -10,7 +10,28 @@
 [class*=" icon-"] {
   background-image: url("/packages/bootstrap/img/glyphicons-halflings.png");
 }
-
-.icon-white {
+/*
+ * Selectors borrowed from bootstrap.css.  For all releases of bootstrap, when
+ * we upgrade, update this file to borrow the selectors from where bootstrap.css
+ * references any .png.  When we update to using .less instead, use the less
+ * directives in a less file instead.
+ */
+.icon-white,
+.nav-pills > .active > a > [class^="icon-"],
+.nav-pills > .active > a > [class*=" icon-"],
+.nav-list > .active > a > [class^="icon-"],
+.nav-list > .active > a > [class*=" icon-"],
+.navbar-inverse .nav > .active > a > [class^="icon-"],
+.navbar-inverse .nav > .active > a > [class*=" icon-"],
+.dropdown-menu > li > a:hover > [class^="icon-"],
+.dropdown-menu > li > a:focus > [class^="icon-"],
+.dropdown-menu > li > a:hover > [class*=" icon-"],
+.dropdown-menu > li > a:focus > [class*=" icon-"],
+.dropdown-menu > .active > a > [class^="icon-"],
+.dropdown-menu > .active > a > [class*=" icon-"],
+.dropdown-submenu:hover > a > [class^="icon-"],
+.dropdown-submenu:focus > a > [class^="icon-"],
+.dropdown-submenu:hover > a > [class*=" icon-"],
+.dropdown-submenu:focus > a > [class*=" icon-"] {
   background-image: url("/packages/bootstrap/img/glyphicons-halflings-white.png");
 }