tree browse -> file icons

app/assets/stylesheets/common.scss

@@ -272,7 +272,6 @@ nav.main_menu {
     display: inline-block;
     color: $style_color;
     position: relative;
-    box-shadow: 1px 0 0 rgba(255, 255, 255, 0.1);
     margin: 0;
     float:left;
     text-shadow:0 1px 1px white;

app/assets/stylesheets/tree.scss

@@ -144,6 +144,7 @@
     th { 
       background:#f5f5f5;
+      border-color:#f1f1f1;
     }
   }

app/views/refs/_tree.html.haml

@@ -24,7 +24,7 @@
       - if tree.up_dir?
         %tr{ :class => "tree-item", :url => tree.up_dir_path }
           %td.tree-item-file-name
-            = image_tag "dir.png"
+            = image_tag "file_empty.png"
             = link_to "..", tree.up_dir_path, :remote => :true
           %td
           %td

app/views/refs/_tree_file.html.haml

@@ -2,7 +2,7 @@
 .view_file
   .view_file_header
     .row
-      .span1.file_icon= image_tag "txt.png"
+      .span1.file_icon= image_tag( file.image? ? "file_img.png" : "file_txt.png")
       .span2.mode_text= file.mode
       .span7.file_name= name
       .span4.right

app/views/refs/_tree_item.html.haml

@@ -4,9 +4,14 @@
 %tr{ :class => "tree-item", :url => tree_file_project_ref_path(@project, @ref, file) }
   %td.tree-item-file-name
     - if content.is_a?(Grit::Blob)
-      = image_tag "txt.png"
+      - if content.text?
+        = image_tag "file_txt.png"
+      - elsif content.image?
+        = image_tag "file_img.png"
+      - else 
+        = image_tag "file_bin.png"
     - else
-      = image_tag "dir.png"
+      = image_tag "file_dir.png"
     = link_to truncate(content.name, :length => 40), tree_file_project_ref_path(@project, @ref || @commit.id, file), :remote => :true
   %td.cgray
     = time_ago_in_words(content_commit.committed_date)