small refactorings

app/helpers/projects_helper.rb

@@ -1,22 +1,5 @@
 module ProjectsHelper
 
-  def get_listing_sortable_options(list_container_id)
-    {
-      :tag => 'div',
-      :handle => 'handle',
-      :complete => visual_effect(:highlight, list_container_id),
-      :url => order_projects_path
-    }
-  end
-
-  def set_element_visible(id,test)
-    if (test)
-      page.show id
-    else
-      page.hide id
-    end
-  end
-
   def project_next_prev
     html = ""
     if @previous_project
@@ -33,11 +16,11 @@ module ProjectsHelper
 
   def project_next_prev_mobile
     prev_project,next_project= "", ""
-    unless @previous_project.nil?
+    if @previous_project
       project_name = truncate(@previous_project.name, :length => 40, :omission => "...")
       prev_project = content_tag(:li, link_to_project_mobile(@previous_project, "5", project_name), :class=>"prev")
     end
-    unless @next_project.nil?
+    if @next_project
       project_name = truncate(@next_project.name, :length => 40, :omission => "...")
       next_project = content_tag(:li, link_to_project_mobile(@next_project, "6", project_name), :class=>"next")
     end
@@ -58,8 +41,7 @@ module ProjectsHelper
   end
 
   def link_to_edit_project (project, descriptor = sanitize(project.name))
-    link_to(descriptor,
-      url_for({:controller => 'projects', :action => 'edit', :id => project.id}),
+    link_to(descriptor, edit_project_path(project),
       {
         :id => "link_edit_#{dom_id(project)}",
         :class => "project_edit_settings icon"
@@ -72,7 +54,6 @@ module ProjectsHelper
     project_description += content_tag(:p,
       "#{count_undone_todos_phrase(p)}. #{t('projects.project_state', :state => project.state)}".html_safe
       )
-    raw project_description
   end
 
   def needsreview_class(item)