feat(core): rename reload to refresh (#2645)

Reason: for consistency with vue-instantsearch .

Author: bobylito

dev/app/builtin/stories/reload.stories.js

@@ -4,15 +4,15 @@ import { storiesOf } from 'dev-novel';
 import instantsearch from '../../../../index';
 import { wrapWithHits } from '../../utils/wrap-with-hits.js';
 
-const stories = storiesOf('Reload');
+const stories = storiesOf('Refresh');
 
 export default () => {
   stories.add(
     'default',
     wrapWithHits(container => {
       const button = document.createElement('button');
-      button.addEventListener('click', () => window.search.reload());
-      button.innerHTML = 'Reload InstantSearch';
+      button.addEventListener('click', () => window.search.refresh());
+      button.innerHTML = 'Refresh InstantSearch';
       const searchBoxContainer = document.createElement('div');
       window.search.addWidget(
         instantsearch.widgets.searchBox({ container: searchBoxContainer })

src/lib/InstantSearch.js

@@ -200,11 +200,11 @@ Usage: instantsearch({
   }
 
   /**
-   * The reload method clears the cached answers from Algolia and triggers a new search.
+   * The refresh method clears the cached answers from Algolia and triggers a new search.
    *
    * @return {undefined} Does not return anything
    */
-  reload() {
+  refresh() {
     if (this.helper) {
       this.helper.clearCache().search();
     }