2008-11-30  Stéphane Raimbault  <stephane.raimbault@gmail.com>

	Replace the CSS 3 attribute 'column-count' (and relatives) by a
	more ordinary CSS layout (fix strange behaviour with FF3 and works
	with IE).
	
	* common/templatetags:
	* common/templatetags/__init__.py:
	* common/templatetags/list_to_three_columns.py: New template tag
	to split a list into 3 columns.	
	* media/css/style.css: Added 3 columns layout.
	* settings_sample.py: Added common app.
	* templates/languages/language_list.html: 
	* templates/module_list.html: Use the new template tag.

svn path=/trunk/; revision=1198