roadmap/3.8: add links to bugs and patches for different features
roadmap/3.8: add links to bugs and patches for different features

Signed-off-by: Niels de Vos <7bda0c0ee7f47171cc808e9e60292cbc5d8140dd@redhat.com>
anoopcs9/glusterweb,anoopcs9/glusterweb,anoopcs9/glusterweb,gluster/glusterweb,gluster/glusterweb,gluster/glusterweb,gluster/glusterweb,anoopcs9/glusterweb