Fix the link to docs.
Fix the link to docs.

codenvy/che-doc to eclipse/che-doc.

Signed-off-by: Masaki Muranaka <d7b49c8da6d53103f165ff7e5926cab4eda1670d@monami-ya.com>

akervern/che,davidfestal/che,akervern/che,davidfestal/che,codenvy/che,akervern/che,codenvy/che,akervern/che,akervern/che,davidfestal/che,akervern/che,codenvy/che,davidfestal/che,akervern/che,davidfestal/che,akervern/che,akervern/che,codenvy/che,davidfestal/che,davidfestal/che,davidfestal/che,davidfestal/che,davidfestal/che