[signal] use _exit instead of non-reentrant exit
Merge pull request #103 from lilydjwg/sigfix

[signal] use _exit instead of non-reentrant exit
[trans] Update Translation
[chttrans] fallback to native also need to be fixed for t2s
[chttrans] ...fix opencc profile for t2s
[fcitx-config] refactor WIP
[config] refactor hotkey