Merged r11544, r11545, r11546, r11547, r11549 from trunk to 2.3-stable (#12641)

fix that diff outputs become ??? in some non ASCII words.

Contributed by Filou Centrinov.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/branches/2.3-stable@11551 e93f8b46-1217-0410-a6f0-8f06a7374b81
2.3-stable: svn propset svn:eol-style native to fixtures (#12641)


git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/branches/2.3-stable@11552 e93f8b46-1217-0410-a6f0-8f06a7374b81