Add html_escape to project description. auto_link set description to html_safe...

Add html_escape to project description. auto_link set description to html_safe but! dont escape html :(.
Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

app/views/projects/_home_panel.html.haml

@@ -17,7 +17,7 @@
     .col-md-7
       .project-home-desc
         - if @project.description.present?
-          = auto_link @project.description, link: :urls
+          = auto_link ERB::Util.html_escape(@project.description), link: :urls
         - if can?(current_user, :admin_project, @project)
           –
           %strong= link_to 'Edit', edit_project_path