UX: Moving the create theme buttons, adding buttons to theme index

app/assets/javascripts/admin/templates/customize-themes-index.hbs

@@ -2,6 +2,10 @@
   <img src={{womanArtistEmojiURL}}>
   <div class="content-wrapper">
     <h1>{{I18n "admin.customize.theme.themes_intro"}}</h1>
+     <div class="create-actions">
+      {{d-button label="admin.customize.new" icon="plus" action=(route-action "showCreateModal") class="btn-primary"}}
+      {{d-button action=(route-action "importModal") icon="upload" label="admin.customize.import" class="btn-default"}}
+    </div>
     <div class="external-resources">
       {{#each externalResources as |resource|}}
         <a href={{resource.link}} class="external-link" target="_blank">

app/assets/stylesheets/common/admin/customize.scss

@@ -71,10 +71,6 @@
         margin-bottom: 0;
       }
     }
-
-    .create-actions {
-      margin-left: auto;
-    }
   }
   .admin-container {
     padding: 0;
@@ -203,6 +199,9 @@
       vertical-align: top;
       margin-top: 5px;
     }
+    .create-actions {
+      margin-bottom: 1em;
+    }
     .content-wrapper {
       display: inline-block;
       vertical-align: top;