* 9750 sort field is lost, when displaying next part of issues list
* 9782 show issues in page is wrong

Still some problems, eg. status criteria is lost when paginating or sorting on users/list

git-svn-id: http://redmine.rubyforge.org/svn/trunk@406 e93f8b46-1217-0410-a6f0-8f06a7374b81