Mailer:

* added an application setting to specify the application protocol (http or https) used to generate urls
* added layouts for text and html emails
* no more language specific templates
* urls are now generated using UrlWriter
* the mailer now uses AdvAttrAccessor code style to set email parameters

git-svn-id: http://redmine.rubyforge.org/svn/trunk@877 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/views/mailer/_issue_text_plain.rhtml

@@ -1,5 +1,5 @@
 <%= "#{issue.tracker.name} ##{issue.id}: #{issue.subject}" %>
-<%= url_for :only_path => false, :host => Setting.host_name, :controller => 'issues', :action => 'show', :id => issue %>
+<%= issue_url %>
 
 <%=l(:field_author)%>: <%= issue.author %>
 <%=l(:field_status)%>: <%= issue.status %>