Add the missing international property key, translate some Chinese content, and enhance Chinese support
OF-324: Offline Email Notification Plugin uses old NS
Merge pull request #110 from akrherz/of324fix

OF-324: Offline Email Notification Plugin uses old NS
Merge pull request #109 from wmz7year/chinese_suppot

Update Chinese International Support
Merge pull request #3 from igniterealtime/master

synchronized project