aaa_base from OBS:Server:2.7 project

对于 openSUSE 42.1，请以根用户 root 运行下面命令：

zypper addrepo https://download.opensuse.org/repositories/OBS:Server:2.7/openSUSE_42.1/OBS:Server:2.7.repo
zypper refresh
zypper install aaa_base