Remove trailing whitespaces and trailing lines

app/views/refs/_head.html.haml

@@ -5,6 +5,6 @@
       = hidden_field_tag :destination, "tree"
       = hidden_field_tag :path, params[:path]
   %li{:class => "#{'active' if (controller.controller_name == "refs") }"}
-    = link_to tree_project_ref_path(@project, @ref) do 
+    = link_to tree_project_ref_path(@project, @ref) do
       Source
 

app/views/refs/_tree_item.html.haml

@@ -8,7 +8,7 @@
         = image_tag "file_txt.png"
       - elsif content.image?
         = image_tag "file_img.png"
-      - else 
+      - else
         = image_tag "file_bin.png"
     - else
       = image_tag "file_dir.png"

app/views/refs/tree.html.haml

@@ -2,6 +2,6 @@
 #tree-holder= render :partial => "tree", :locals => {:repo => @repo, :commit => @commit, :tree => @tree}
 
 :javascript
-  $(function() { 
+  $(function() {
     Tree.init();
   });