Update of VPP_STABLE_VER and DPDK_STABLE_VER files
- use new vpp ref build - ubuntu 16.04:
17.10-rc0~
60-g213b5aa~b2592_amd64
- use new vpp ref build - centos7:
17.10-rc0~60_g213b5aa~b2589.x86_64
- use new dpdk build:
17.05-vpp6
- builds tested by semiweekly jobs:
https://jenkins.fd.io/view/csit/job/csit-vpp-verify-master-ubuntu1604-semiweekly/55/
https://jenkins.fd.io/view/csit/job/csit-vpp-verify-master-centos7-semiweekly/55/
Change-Id: I7654c7e8186f5be2bb8ccd4dbebe0ac9e3707a92
Signed-off-by: Jan Gelety <jgelety@cisco.com>