Log Message:
Updateto 3.1.0

Changelog:
Redmine 3.1.0 released

I am happy to announce that Redmine 3.1.0 has been released. Highlights:

    Subtasking: option for independent subtask priority/start date/due date/done \ 
ratio (#5490), ability to filter the issue list by parent task or subtasks \ 
(#6118)
    Permission to view only your own time logs (#8929)
    Better handling of HTML-only emails (#16962), nokogiri is now used to parse \ 
incoming HTML
    Ability to limit the member management permission to certain roles (#19707)
    Security features (optional settings): ability to expire passwords after a \ 
configurable number of days (#19458), password re-entry for sensitive actions \ 
(#19851)

You can review all the changes in the Changelog.

About the maintenance of previous Redmine versions: 3.0.x maintenance will stop \ 
in favor of 3.1.x soon but Redmine 2.6.x will still be maintained until at least \ 
the end of 2015.