[SECURITY] Fedora 21 Update: mantis-1.2.18-1.fc21

Mantis is a free popular web-based issue tracking system. It is written in the PHP scripting language and works with MySQL, MS SQL, and PostgreSQL databases and a web server. Almost any web browser should be able to function as a client. Documentation can be found in: /usr/share/doc/mantis When the package has finished installing, you will need to perform some additional configuration steps; these are described in: /usr/share/doc/mantis/README.Fedora