maven 更换源

        alimaven
        aliyun maven
        http://maven.aliyun.com/nexus/content/groups/public/
        central
    
    
        central
        Maven Repository Switchboard
        http://repo1.maven.org/maven2/
        central
    
    
        repo2
        central
        Human Readable Name for this Mirror.
        http://repo2.maven.org/maven2/
    
    
        ibiblio
        central
        Human Readable Name for this Mirror.
        http://mirrors.ibiblio.org/pub/mirrors/maven2/
    
    
        jboss-public-repository-group
        central
        JBoss Public Repository Group
        http://repository.jboss.org/nexus/content/groups/public
    
    
    
        maven.net.cn
        oneof the central mirrors in china
        http://maven.net.cn/content/groups/public/
        central