anchor.diff:      <div class="col-xs-4">
           <a href="<%= search_single_path %>">
               <div class="thumbnail">
  -                <img src="/assets/home_feature_single.png" alt="Single Peptide Analysis">
  +                <img src="<%= asset_path('home_feature_single.png') %>" alt="Single Peptide Analysis">
                   <div class="caption title">
                       <h3>Single Peptide Analysis</h3>
                   </div>
  
positive.code:     <div class="col-xs-4">
          <a href="<%= pancore_analyze_path %>">
              <div class="thumbnail">
                  <object data="/assets/home_feature_pancore.svg" type="image/svg+xml"></object>
                  <div class="click-catcher"></div>
                  <div class="caption title">
                      <h3>Unique Peptide Finder</h3>
  
negative.code:     <div class="col-xs-4">
          <a href="<%= datasets_path %>">
              <div class="thumbnail">
                  <object data="<%= asset_path('home_feature_multi.svg') %>" type="image/svg+xml"></object>
                  <div class="click-catcher"></div>
                  <div class="caption title">
                      <h3>Multi-peptide Analysis</h3>
  