use li tags for completed versions in version index sidebar (#13242)

Contributed by Filou Centrinov.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@11782 e93f8b46-1217-0410-a6f0-8f06a7374b81
use li tags for label completed versions and subproject in version index sidebar (#13242)

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@11783 e93f8b46-1217-0410-a6f0-8f06a7374b81
use assert_select instead of assert_tag at versions index sidebar

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@11784 e93f8b46-1217-0410-a6f0-8f06a7374b81