安装 redmine

http://www.linuxidc.com/Linux/2012-08/68519.htm

http://blog.chinaunix.net/uid-26729093-id-4600854.html

http://my.oschina.net/leonzmq/blog/148565

http://www.redmine.org/projects/redmine/wiki/Download

http://www.redmine.org/projects/redmine/wiki/RedmineInstall

http://www.newsmth.net/nForum/#!article/Ruby/7993

http://www.redmine.org/boards/2/topics/43141

http://wxb-j2ee.iteye.com/blog/2028848

http://stackoverflow.com/questions/5201689/rmagick-gem-install-cant-find-magick-config