Merged r11827 to r11833 from trunk (#14015).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/branches/2.3-stable@11996 e93f8b46-1217-0410-a6f0-8f06a7374b81
Merged r11839 from trunk (#14020).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/branches/2.3-stable@11997 e93f8b46-1217-0410-a6f0-8f06a7374b81
Merged r11915 from trunk (#14186).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/branches/2.3-stable@11998 e93f8b46-1217-0410-a6f0-8f06a7374b81
Merged r11869 from trunk (#12888).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/branches/2.3-stable@11999 e93f8b46-1217-0410-a6f0-8f06a7374b81
Merged r11906 from trunk (#14101).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/branches/2.3-stable@12000 e93f8b46-1217-0410-a6f0-8f06a7374b81
Merged r11905 from trunk (#14103).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/branches/2.3-stable@12001 e93f8b46-1217-0410-a6f0-8f06a7374b81
Add more info about the ruby version (#14419).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/branches/2.3-stable@12002 e93f8b46-1217-0410-a6f0-8f06a7374b81