Fixed that autologin is broken when using a custom cookie name (#13335).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@11519 e93f8b46-1217-0410-a6f0-8f06a7374b81
Fixed that autologin cookie is not deleted when using custom cookie name (#13335).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@11520 e93f8b46-1217-0410-a6f0-8f06a7374b81
Adds autologin param in openid return_to url (#3371).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@11521 e93f8b46-1217-0410-a6f0-8f06a7374b81