Notifications about issues (add/edit) are now sent in plain text and html.

Removed lang specific strings in the corresponding mail templates, so that there is only one template for all languages.

git-svn-id: http://redmine.rubyforge.org/svn/trunk@723 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/views/mailer/issue_edit.text.html.rhtml

@@ -0,0 +1,10 @@
+<%= l(:text_issue_updated, "##{@issue.id}") %><br />
+<em><%= @journal.user.name %></em>
+<ul>
+<% for detail in @journal.details %>
+    <li><%= show_detail(detail, true) %></li>
+<% end %>
+</ul>
+<%= textilizable(@journal.notes) %>
+<hr />
+<%= render :file => "_issue_text_html", :use_full_path => true, :locals => { :issue => @issue } %>