共有的仓库
http://uk.maven.org/maven2
http://maven.ibiblio.org/maven2
http://repo1.maven.org/maven2/
http://repository.jboss.com/maven2/
http://repository.sonatype.org/content/groups/public/
http://mirrors.ibiblio.org/pub/mirrors/maven2/org/acegisecurity/
