Translate models data-validation
Merge branch 'master' of git.oschina.net:finley/CakePHP_zh
[zh_CN] delete original text
Merge pull request #1864 from blackpuppy/zh

[zh_CN] delete original text in translation
Merge branch 'master' of git.oschina.net:finley/CakePHP_zh into oschina
Translate models data-validation
Merge branch 'zh-work' into oschina
Merge branch 'master' into oschina