improved diff, restyled login page

app/views/commits/_text_file.html.haml

@@ -4,7 +4,7 @@
     - if type == "match"
       %td.old_line= "..."
       %td.new_line= "..."
-      %td.line_content  
+      %td.line_content.matched= line
     - else 
       %td.old_line= link_to raw(type == "new" ? " " : line_old), "##{line_code}", :id => line_code
       %td.new_line= link_to raw(type == "old" ? " " : line_new) , "##{line_code}", :id => line_code

app/views/commits/show.html.haml

@@ -13,6 +13,8 @@
 .clear
 %br
 
+%p.cgray
+  Showing #{pluralize(@commit.diffs.count, "changed file")}
 = render "commits/diffs", :diffs => @commit.diffs
 = render "notes/notes"
 = render "notes/per_line_form"