Add lead contributor to idea registry #214

I dont know what add misising data is for 2.

_includes/ideastable.html

@@ -6,7 +6,7 @@
     <table class="ideastable">
       <thead>
         <tr>
-          <th class="contributor">Contributor</th>
+          <th class="lead-contributor">Lead Contributor</th>
           <th class="id">Idea</th>
           <th class="title">Title</th>
           <th class="categ">Category</th>