Update README.md
Add ability to use param in breadcrumb title

Now we can add parameters in the title as:
    /**
     * @Breadcrumb("{book}")
     */
    public function showAction(Book $book) { }
Merge pull request #11 from notFloran/title-with-param

Use paramConverter of SensioFrameworkExtraBundle in breadcrumb title
arguments are separated with comma

when looking at the regex it is not collon but comma that separates arguments
Merge pull request #12 from Danez/patch-1

Fix doc