Merge pull request #3 from sonkit/master

add spaces
Update pom.xml
add spaces
remove spaces
update security/pom.xml
add new line
Merge branch 'master' of https://github.com/supermanblues/airport.git
Merge pull request #4 from sonkit/master

角色维护页面tab重复2次的bug修改，账号操作按键显示
Merge branch 'master' of https://github.com/supermanblues/airport.git
删除多余文件
Update pom.xml
把logback的配置文件由xml格式改成groovy的dsl形式
Merge branch 'master' of https://github.com/supermanblues/airport.git
清理掉系统中不用的图片
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