Displays thumbnails of attached images of the issue view (#1006).

This behaviour can be turned on/off in Settings -> Display (off by default). Thumbnail size can be configured there too.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@9933 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/views/settings/_display.html.erb

@@ -16,6 +16,10 @@
 <p><%= setting_check_box :gravatar_enabled %></p>
 
 <p><%= setting_select :gravatar_default, [["Wavatars", 'wavatar'], ["Identicons", 'identicon'], ["Monster ids", 'monsterid'], ["Retro", 'retro'], ["Mystery man", 'mm']], :blank => :label_none %></p>
+
+<p><%= setting_check_box :thumbnails_enabled %></p>
+
+<p><%= setting_text_field :thumbnails_size, :size => 6 %></p>
 </div>
 
 <%= submit_tag l(:button_save) %>