[WIP] Feature/support translation

provides support for translation. see screenshots.

![twig_trans](https://f.cloud.github.com/assets/1011712/462432/4fbea2fa-b4b1-11e2-913a-60001a0a8482.png)
![trans](https://f.cloud.github.com/assets/1011712/462433/4ff5b74a-b4b1-11e2-9258-751624de4d74.png)
![trans_1](https://f.cloud.github.com/assets/1011712/462434/4ffe405e-b4b1-11e2-8ffd-ed119ae3cfca.png)