#292 Converted jQuery to vanilla JS

Signed-off-by: Zhou Fang zhou.fang@eclipse-foundation.org

Do NOT merge before removing the code below, which is for preview and testing only

wgsData[2].status = 'proposed';

Please preview here:

https://deploy-preview-321--eclipsefdn-solstice-assets.netlify.app/explore-wg.html

js/solstice/templates/explore-working-groups/working-group-list.mustache

@@ -4,15 +4,15 @@
     <button class="btn btn-secondary dropdown-toggle" type="button" data-toggle="dropdown">Filter Working Groups
     <span class="caret"></span></button>
     <ul class="dropdown-menu wg-links">
-      <li><a style="width:150px;" class="wg-btn" data-wg="wg-all-item" role="button">All</a></li>
+      <li><a class="wg-btn" data-wg="wg-item" role="button">All</a></li>
       {{#shouldShowFilterOptions.active}}
-        <li><a style="width:150px;" class="wg-btn" data-wg="wg-active-item" role="button">Active</a></li>
+        <li><a class="wg-btn" data-wg="wg-active-item" role="button">Active</a></li>
       {{/shouldShowFilterOptions.active}}
       {{#shouldShowFilterOptions.incubating}}
-      <li><a style="width:150px;" class="wg-btn" data-wg="wg-incubating-item" role="button">Incubating</a></li>
+      <li><a class="wg-btn" data-wg="wg-incubating-item" role="button">Incubating</a></li>
       {{/shouldShowFilterOptions.incubating}}
       {{#shouldShowFilterOptions.proposed}}
-      <li><a style="width:150px;" class="wg-btn" data-wg="wg-proposed-item" role="button">Proposed</a></li>
+      <li><a class="wg-btn" data-wg="wg-proposed-item" role="button">Proposed</a></li>
       {{/shouldShowFilterOptions.proposed}}
     </ul>
   </div>