Teacher Dashboard Iteration 5 - Connect games

This week:
* Click on the Jouer>> Ecoute menu to launch SAILs in another window
![screen shot 2014-08-22 at 10 34 53 am](https://cloud.githubusercontent.com/assets/196199/4011947/82520030-2a09-11e4-840b-57889759c2ee.png)
* Participants are loaded from your database and displayed in a dropdown on the Start page (they are still encrypted because the encryption library we are using isn't loading in Montage for some reason https://github.com/OpenSourceFieldlinguistics/FieldDB/issues/1601 which we will investigate next week)
![screen shot 2014-08-22 at 10 41 24 am](https://cloud.githubusercontent.com/assets/196199/4012049/6dea2d74-2a0a-11e4-8c71-1019c4f2daae.png)

This pull request depends on 
* https://github.com/ProjetDeRechercheSurLecriture/oprime-montage/commit/427fbfa70e420e3c10fdf574cdc6b4bb3bc0d7ad
* https://github.com/cesine/FieldDB/commit/4b02e416d41f70fd5051b0f8cbdc3db498c9d050

Next week:

* Connect the SAILS stimuli with the database (not assets folder)