Repo search autocomplete

* due to issues with the latest octokit version - I had to rollback to old version and steal the new search api code from the current version


![screen shot 2013-08-10 at 11 06 33 pm](https://f.cloud.github.com/assets/818124/943346/de542f8a-020e-11e3-8feb-59e96f86d2c1.jpg)