AMBARI-4563. Minor style tweaks on Host Details page. (yusaku)

ambari-web/app/templates/main/host/summary.hbs

@@ -28,7 +28,7 @@
           <div class="pull-right span5 row-fluid" style="padding:0 10px;">
             {{#if App.isAdmin}}
               <div class="btn-group pull-right">
-                <button id="add_component" data-toggle="dropdown" {{bindAttr class="view.addComponentDisabled:disabled :btn :btn-info :dropdown-toggle"}}>
+                <button id="add_component" data-toggle="dropdown" {{bindAttr class="view.addComponentDisabled:disabled :btn :dropdown-toggle"}}>
                   <span class="icon-plus"></span>&nbsp;{{t add}}
                 </button>
                 <ul class="dropdown-menu">
@@ -77,7 +77,7 @@
             <div class="span5 row">
               {{#if App.isAdmin}}
                 <div class="btn-group pull-right">
-                  <button id="add_component" data-toggle="dropdown" {{bindAttr class=":btn :btn-info :dropdown-toggle"}}>
+                  <button id="add_component" data-toggle="dropdown" {{bindAttr class=":btn :dropdown-toggle"}}>
                     {{t common.installed}}
                     <span class="caret pull-right"></span>
                   </button>