fixed flash message. better tree css

app/views/layouts/_flash.html.haml

@@ -1,9 +1,8 @@
 - if alert || notice
   - text = alert || notice
   %div{:style => "display:none", :id => "flash_container"}
-    .container
-      %center
-        %h4= text
+    %center
+      %h4= text
   :javascript
     $(function(){
       $("#flash_container").slideDown("slow");

app/views/refs/_tree.html.haml

@@ -19,7 +19,7 @@
     = render :partial => "refs/tree_file", :locals => { :name => tree.name, :content => tree.data, :file => tree }
   - else
     - contents = tree.contents
-    %table#tree-slider.bordered-table.zebra-striped
+    %table#tree-slider.bordered-table
       %thead
         %th Name
         %th Last Update