admin-tab: 1.servlet.admin.adminConstants.java add Promote="promote", 2.admin-tab hide condition needed

Signed-off-by: fei <1450622282@qq.com>
merge

Signed-off-by: fei <1450622282@qq.com>
refactor, suppresswarning, javadoc

Signed-off-by: fei <1450622282@qq.com>
Merge branch 'fei-login'