app默认修改为不支持多线程
android编译支持生成依赖模块的链接库
gen-meta的bug修复
cpe_zip中使用到的zip内部函数修改为static，避免冲突
cpe.utils支持md5
cpe.dr支持计算md5
Merge branch 't/support/dr2' into refs/top-bases/t/support/game
Merge commit 'refs/top-bases/t/support/game' into t/support/game
Merge commit 'refs/top-bases/t/svr/env' into t/svr/env
Merge commit 'refs/top-bases/t/svr/dblog' into t/svr/dblog