Raised group name maximum length to 255 characters  (#13174).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@11392 e93f8b46-1217-0410-a6f0-8f06a7374b81
Azerbaijanian translation updated by Samir Suleymanov (#13152)

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@11393 e93f8b46-1217-0410-a6f0-8f06a7374b81