[UI] Better display of projects in project overview

## Need

```gherkin
In order to have a better and consistant view of the projects
As a user
I want to see the projects in a grid similar to the one on the homepage
```

## Deliverables

- [ ] A grid-like view for projects and their description

#### Prerequisites
- [ ] [A small mockup for 6 projects with the cdl logo](http://jsfiddle.net/5fvxd/3/)
- [ ] Rendering a django template and using django templatetags
- [ ] https://docs.djangoproject.com/en/dev/ref/templates/builtins/
- [ ] https://github.com/rosedu/rosedu-people/blob/master/rppl/people/templates/people/projects.html

## Solution
???