Adds permissions for viewing the watcher list and adding new watchers on the issue detail view (#398).

git-svn-id: http://redmine.rubyforge.org/svn/trunk@1712 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/views/issues/show.rhtml

@@ -78,6 +78,14 @@ end %>
 </div>
 <% end %>
 
+<% if User.current.allowed_to?(:add_issue_watchers, @project) ||
+        (@issue.watchers.any? && User.current.allowed_to?(:view_issue_watchers, @project)) %>
+<hr />
+<div id="watchers">
+<%= render :partial => 'watchers/watchers', :locals => {:watched => @issue} %>
+</div>
+<% end %>
+
 </div>
 
 <% if @issue.changesets.any? && User.current.allowed_to?(:view_changesets, @project) %>