Translation UX/Design feedback 5

The goal of this round was to test:
 * The prototype for a translation homepage
 * The current implementation of the translate editor

Test with User #66 on 14 Jan
Test with a Polish user speaking Polish, English, German, and Russian.

Translation Workflow

 * 00:10: The user is asked to find a project and follows the usual workflow: go to the homepage, select a project and click on "translate this project" from the project description page.