Translations for review by Xhacker Liu

These translations are available to be reviewed by Xhacker Liu:

Gwibber needs 45 strings reviewed in Chinese (Simplified)
Gwibber needs 37 strings reviewed in Chinese (Simplified)
Gwibber needs 33 strings reviewed in Chinese (Simplified)
Unity needs 244 strings reviewed in Chinese (Simplified)
python-apt needs 3 strings reviewed in Chinese (Simplified)