AMBARI-559. Top nav - specify a static height for the logo (Contributed by yusaku)

git-svn-id: https://svn.apache.org/repos/asf/incubator/ambari/trunk@1351187 13f79535-47bb-0310-9956-ffa450edef68

hmc/css/common.css

@@ -466,6 +466,7 @@ div.separator {
 .navbar #logo {
 	float:left;
 	padding-top:7px;
+	height:36px;
 }
 .navbar .nav > li.right {
   float:right;