fix header action colors

resources/frontend_client/app/query_builder/add_to_dashboard.react.js

@@ -56,7 +56,7 @@ export default React.createClass({
         //       ex: someone modifies a query but hasn't run/save the change?
         return (
             <span>
-                <a className="mx1" href="#" title="Add this data to a dashboard" onClick={this.toggleModal}>
+                <a className="mx1 text-grey-4 text-brand-hover" href="#" title="Add this data to a dashboard" onClick={this.toggleModal}>
                     <Icon name='addtodash' />
                 </a>
                 {this.addToDash()}

resources/frontend_client/app/query_builder/card_favorite_button.react.js

@@ -77,7 +77,9 @@ export default React.createClass({
         var fillColor = (this.state.favorite) ? 'text-gold' : 'text-grey-1';
 
         return (
-            <Icon name="star" width="18px" height="18px" onClick={this.toggleFavorite}></Icon>
+            <a className="mx1 text-grey-4 text-gold-hover transition-color" href="#" onClick={this.toggleFavorite}>
+                <Icon name="star" width="18px" height="18px"></Icon>
+            </a>
         );
     }
 });