[vi] Translate 2014-08-19-ruby-1.9.2-p330-released.md
[vi] Translate 2014-09-18-ruby-2.2.0-preview1-released.md
Fix typo
Merge pull request #845 from ruby-vietnam/patch-xxx

[vi] Translate 2014-08-19-ruby-1.9.2-p330-released.md
Merge pull request #846 from ruby-vietnam/patch-yyyy

[vi] Translate 2014-09-18-ruby-2.2.0-preview1-released.md