Add config node filter

editor/sass/mixins.scss

@@ -57,6 +57,11 @@
         background: $workspace-button-background-active;
         text-decoration: none;
     }
+    &.selected:not(.disabled) {
+        color: $workspace-button-color-active;
+        background: $workspace-button-background-active;
+        cursor: default;
+    }
 }
 @mixin component-footer {
     border-top: 1px solid $primary-border-color;

editor/sass/notifications.scss

@@ -33,6 +33,12 @@
     border: 1px solid #325C80;
     border-left-width: 16px;
 }
+.notification a {
+    text-decoration: none;
+    &:hover {
+        text-decoration: underline;
+    }
+}
 
 .notification-success {
     border-color: #4B8400;

editor/sass/sidebar.scss

@@ -66,6 +66,12 @@
     @include component-footer;
 }
 
-.sidebar-button {
+.sidebar-footer-button {
     @include component-footer-button;
 }
+.sidebar-header-button {
+    @include workspace-button;
+    font-size: 13px;
+    line-height: 13px;
+    padding: 5px 8px;
+}

editor/sass/tab-config.scss

@@ -47,23 +47,34 @@
          border-top-right-radius: 4px;
          border-bottom-right-radius: 4px;
      }
- }
- .config_node_type {
-     color: #999;
-     text-align: right;
-     padding-right: 3px;
-     &:not(:first-child) {
-         margin-top: 20px;
-     }
- }
- .config_node_none {
-     color: #ddd;
-     text-align:right;
-     padding-right: 3px;
- }
- .config_node_unused {
-     border-color: #aaa;
-     background: #f9f9f9;
-     border-style: dashed;
-     color: #aaa;
- }
+}
+.config_node_type {
+    color: #999;
+    text-align: right;
+    padding-right: 3px;
+    &:not(:first-child) {
+        margin-top: 20px;
+    }
+}
+.config_node_none {
+    color: #ddd;
+    text-align:right;
+    padding-right: 3px;
+}
+.config_node_unused {
+    border-color: #aaa;
+    background: #f9f9f9;
+    border-style: dashed;
+    color: #aaa;
+}
+
+#sidebar-node-config-header {
+    color: #666;
+    text-align: right;
+    padding: 8px 10px;
+    background: #f3f3f3;
+    border-bottom: 1px solid $secondary-border-color;
+}
+.sidebar-header-button:not(:first-child) {
+    border-left: none;
+}