Update readme to point to links.
Update readme to point to links.

Change-Id: I1700d9602519975729e1909dc9be29efa4d2fa32

jimbobhickville/taskflow,junneyang/taskflow,varunarya10/taskflow,jessicalucci/TaskManagement,varunarya10/taskflow,junneyang/taskflow,openstack/taskflow,pombredanne/taskflow-1,jimbobhickville/taskflow,pombredanne/taskflow-1,openstack/taskflow,citrix-openstack-build/taskflow,citrix-openstack-build/taskflow,jessicalucci/TaskManagement