* add the following condition : <tal:block tal:condition="python:...

* add the following condition : <tal:block tal:condition="python: here.total_pages > 1"> to not display the page navigation if there is only one page. This permit to increase performances in case there only one page.
* change all the indentation due to this new condition

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@26840 20353a03-c40f-0410-a6d1-a30d3c3de9de