Update version adding command line flag for Theme support

Signed-off-by: Keith Wiles <keith.wiles@windriver.com>
Update the readme file with version and changes

Signed-off-by: Keith Wiles <keith.wiles@windriver.com>
Forget to update the version numbers in the doc
Update the Docs to the latest versions.

Remove the old 1.5.1 docs and replace with the latest for 1.7.0 release.
Merge branch 'master' of https://github.com/Pktgen/Pktgen-DPDK
Update the doit script for DPDK 1.7

Signed-off-by: Keith Wiles <keith.wiles@windriver.com>
Removed enabled_port_mask and the option -p

Signed-off-by: Keith Wiles <keith.wiles@windriver.com>
Increase default ring size to at 512 as VMXNET3 driver requires that.

Tx vmxnet ring length should be between 512-4096.
Without this change, pktgen will crash if nic is using VMXNET3 driver.
local debug