Preload some associations.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@12044 e93f8b46-1217-0410-a6f0-8f06a7374b81
Don't use finder options.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@12045 e93f8b46-1217-0410-a6f0-8f06a7374b81
fix diff of CJK(Chinese/Japanese/Korean) is broken on Ruby 1.8 (#14562)

Contributed by Jun NAITOH.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@12046 e93f8b46-1217-0410-a6f0-8f06a7374b81