Fix RTL issue for homepage header (Fixes #3590)

static/css/impala/header.less

@@ -343,7 +343,7 @@
             padding-left: 24px;
             background-repeat: no-repeat;
             background-position: left 4px;
-            background-image: url(../../img/app-icons/16/sprite.png)
+            background-image: url(../../img/app-icons/16/sprite.png);
         }
     }
     .thunderbird a {
@@ -360,7 +360,8 @@
     }
 }
 .html-rtl {
-    #aux-nav > ul > li {
+    #aux-nav {
+        > ul > li {
             &:hover:after {
                 left: 1px;
                 right: auto;
@@ -383,6 +384,25 @@
                 right: auto;
             }
         }
+        .other-apps {
+            a {
+                padding-left: 0;
+                padding-right: 24px;
+            }
+        }
+        .thunderbird a {
+            background-position: right -28px;
+        }
+        .sunbird a {
+            background-position: right -92px;
+        }
+        .seamonkey a {
+            background-position: right -60px;
+        }
+        .android a {
+            background-position: right -124px;
+        }
+    }
 }
 
 /** search box */

static/css/tabzilla/tabzilla.css

@@ -5,6 +5,9 @@
   position: relative;
   float: right;
 }
+.html-rtl #tabzilla {
+  float: left;
+}
 #tabzilla a {
   position: relative;
   display: block;