Per project forums added.

Permissions for forums management can be set in "Admin -> Roles & Permissions".
Forums can be created on the project settings screen ("Forums" tab).
Once a project has a forum, a "Forums" link appears in the project menu.
For now, posting messages in forums requires to be logged in. Files can be attached to messages.

git-svn-id: http://redmine.rubyforge.org/svn/trunk@529 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/views/boards/index.rhtml

@@ -0,0 +1,30 @@
+<h2><%= l(:label_board_plural) %></h2>
+
+<table class="list">
+  <thead><tr>
+    <th><%= l(:label_board) %></th>
+    <th><%= l(:label_topic_plural) %></th>
+    <th><%= l(:label_message_plural) %></th>
+    <th><%= l(:label_message_last) %></th>
+  </tr></thead>
+  <tbody>
+<% for board in @boards %>
+  <tr class="<%= cycle 'odd', 'even' %>">
+    <td>
+      <%= link_to h(board.name), {:action => 'show', :id => board}, :class => "icon22 icon22-comment"  %><br />
+      <%=h board.description %>
+    </td>
+    <td align="center"><%= board.topics_count %></td>
+    <td align="center"><%= board.messages_count %></td>
+    <td>
+    <small>
+      <% if board.last_message %>
+      <%= board.last_message.author.name %>, <%= format_time(board.last_message.created_on) %><br />
+      <%= link_to_message board.last_message %>  
+      <% end %>
+    </small>
+    </td>
+  </tr>
+<% end %>
+  </tbody>
+</table>