add zh_CN language
add zh_CN mo files
update zh_CN po,mo
update zh_CN po,mo
update zh_CN
change zh_CN po mo
update zh_CN po mo
Merge pull request #54 from fordguo/master

add the zh_CN support
Merge remote-tracking branch 'origin/master'
Reset the local.py settings file
Merge branch 'master' into development