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Fix small bugs in layout and js typo

public/css/components/layouts.less

@@ -81,6 +81,7 @@
     min-width: 400px;
     top: 0px;
     bottom: 0px;
+    margin: 0 10px 0 10px;
     -webkit-transition: right 0.5s ease;
     -moz-transition: right 0.5s ease;
     -o-transition: right 0.5s ease;

public/css/components/toolbars.less

@@ -3,8 +3,8 @@
  */
 ul.icinga-navigation.nav.nav-tabs {
   height:100%;
-  overflow-y:auto;
-//  overflow-x:hidden;
+  overflow: hidden;
+
   -webkit-overflow-scroll:touch;
   li {
     a {

public/js/icinga/util/async.js

@@ -143,10 +143,10 @@
                     req.destination = destination;
                 }
                 if (destination == "icinga-main") {
-                    History.pushState(data, document.title, url);
+                    history.pushState(data, document.title, url);
                 } else {
                     url = pushGet("c["+destination+"]", url);
-                    History.pushState(data, document.title, url);
+                    history.pushState(data, document.title, url);
                 }
                 console.log("New url: ", url);
                 return req;