Added nutrient view on ingredients index

Created custom plugin's stylesheet

app/views/ingredients/index.html.erb

@@ -3,8 +3,10 @@
 <% end %>
 
 <div class="contextual">
+  <%= link_to t(".heading_nutrient_view"), nutrients_project_ingredients_path(@project),
+    :class => 'icon icon-stats' %>
   <% if User.current.allowed_to?(:manage_common, @project) %>
-    <%= link_to t(".heading_import_ingredients"), '#', :class => 'icon icon-file',
+    <%= link_to t(".heading_import_ingredients"), '#', :class => 'icon icon-multiple',
       :onclick => 'showAndScrollTo("import-ingredients", "filename"); return false;' %>
     <%= link_to t(".heading_new_ingredient"), '#', :class => 'icon icon-add',
       :onclick => 'showAndScrollTo("add-ingredient", "ingredient_name"); return false;' %>

app/views/ingredients/nutrients.html.erb

@@ -0,0 +1,34 @@
+<% content_for :sidebar do %>
+  <%= render :partial => 'body_trackers/sidebar' %>
+<% end %>
+
+<div class="contextual">
+  <%= link_to t(".heading_ingredient_list"), project_ingredients_path(@project),
+    :class => 'icon icon-list' %>
+</div>
+
+<h2><%= t ".heading" %></h2>
+<% if @nutrients.any? %>
+  <table class="nutrients list">
+    <thead>
+      <tr>
+        <th><%= l(:field_name) %></th>
+        <% @header.each do |q| %>
+          <th><%= q.name %></th>
+        <% end %>
+      </tr>
+    </thead>
+    <tbody>
+      <% @nutrients.each do |name, values| %>
+        <tr class="ingredient">
+          <td class="name"><%= name %></td>
+          <% @header.each do |q| %>
+            <td class="value"><%= values[q.id] || '-' %></td>
+          <% end %>
+        </tr>
+      <% end %>
+    </tbody>
+  </table>
+<% else %>
+  <p class="nodata"><%= l(:label_no_data) %></p>
+<% end %>

app/views/layouts/_body_tracking.html.erb

@@ -0,0 +1,3 @@
+<% content_for :header_tags do %>
+  <%= stylesheet_link_tag 'body_tracking', :plugin => 'body_tracking' %>
+<% end %>