fixed problems when svn path doesn't point to the root directory of the repository.

a root_url property has been added on the repository. it's automatically retrieved the first time the repository is browsed

git-svn-id: http://redmine.rubyforge.org/svn/trunk@344 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/views/repositories/diff.rhtml

@@ -1,4 +1,4 @@
-<h2><%= render :partial => 'navigation', :locals => { :path => @path, :kind => 'file', :revision => @rev } %></h2>
+<h2><%= l(:label_revision) %> <%= @rev %>: <%= @path.gsub(/^.*\//, '') %></h2>
 
 <% parsing = false
 line_num_l = 0

app/views/repositories/revision.rhtml

@@ -24,7 +24,7 @@
 <td><div class="square action_<%= path[:action] %>"></div> <%= path[:path] %></td>
 <td>
 <% if path[:action] == "M" %>
-<%= link_to 'View diff', :action => 'diff', :id => @project, :path => path[:path].gsub(/^\//, ''), :rev => @revision.identifier %>
+<%= link_to 'View diff', :action => 'diff', :id => @project, :path => path[:path], :rev => @revision.identifier %>
 <% end %>
 </td>
 </tr>