gd.app 支持根据信号量停止服务
dr-json编译告警
增加pal_signal.h
log4c支持在linux编译
Merge branch 't/support/dr2' into refs/top-bases/t/support/game
Merge branch 't/3rdTools/log4c' into refs/top-bases/t/support/game
Merge commit 'refs/top-bases/t/support/game' into t/support/game