decode函数返回实际使用大小后，bpg配合修改
set_svr_stub清理共享内存的时候core
根据平台设置pthread库
net_trans支持设置不重用连接
Merge branch 't/support/game' into refs/top-bases/t/support/usf
Merge commit 'refs/top-bases/t/support/usf' into t/support/usf
Merge branch 't/support/usf' into refs/top-bases/t/svr/chat
Merge commit 'refs/top-bases/t/svr/env' into t/svr/env
Merge branch 't/svr/env' into refs/top-bases/t/svr/chat
Merge commit 'refs/top-bases/t/svr/chat' into t/svr/chat
dr_pbuf_write修改bug
Merge branch 't/support/dr2' into refs/top-bases/t/support/game
Merge branch 't/support/game' into refs/top-bases/t/support/usf
Merge commit 'refs/top-bases/t/support/game' into t/support/game
Merge commit 'refs/top-bases/t/support/usf' into t/support/usf
Merge branch 't/support/usf' into refs/top-bases/t/svr/chat
Merge commit 'refs/top-bases/t/svr/env' into t/svr/env
Merge branch 't/svr/env' into refs/top-bases/t/svr/chat
Merge commit 'refs/top-bases/t/svr/chat' into t/svr/chat