Vivien/search

###### Please merge [this PR](https://github.com/kooblit/kooblit/pull/2) before (this branch is based on it)

##### Search re-integration

:heavy_check_mark: Factorization `base` and `main_base`
:heavy_check_mark: Changement de integration de la search
:heavy_check_mark: Separation css/html

##### Result

![capture d ecran 2014-09-24 a 18 41 16](https://cloud.githubusercontent.com/assets/2462303/4391929/a39e2b64-4409-11e4-95a0-b01e586ca86c.png)