Two new components

**Story URL:** [REACT-TASK-3](http://facebook.github.io/react/docs/tutorial.html)
**Project:** React-test
**Reference person:** [me]
**Description:**
Two ne components

 * [x] Component CommentList added
 * [x] Component CommentForm added
 * [x] Display CommentList and CommentForm inside CommentBox

**Migrations:** No
**Rollback:** No
**New dependancies:** None
**Manual actions:** None