Added units view and sidebar link

config/locales/en.yml

@@ -5,4 +5,9 @@ en:
     index:
       heading: 'Summary'
     sidebar:
+      heading_body_trackers: 'Body trackers'
       heading_common: 'Common'
+      link_summary: 'Summary'
+      link_units: 'Units'
+    units:
+      heading: 'Units'

config/routes.rb

@@ -3,6 +3,10 @@
 
 resources :projects do
   shallow do
-    resources :body_trackers, :controller => 'body_trackers', :only => [:index]
+    resources :body_trackers, :controller => 'body_trackers', :only => [:index] do
+      collection do
+        get 'units'
+      end
+    end
   end
 end