Update to DPDK 1.7.0

Signed-off-by: Keith Wiles <keith.wiles@windriver.com>
Remove old code

Signed-off-by: Keith Wiles <keith.wiles@windriver.com>
Update docs with version number

Signed-off-by: Keith Wiles <keith.wiles@windriver.com>
Moved Pktgen to examples plus libs

Signed-off-by: Keith Wiles <keith.wiles@windriver.com>
Rename the lib directories

Signed-off-by: Keith Wiles <keith.wiles@windriver.com>
Merge branch 'dev' of git://github.com/Pktgen/Pktgen-DPDK into dev