QuantaMesh 5000 Series T5016-LB8D

Specification
================================================================================
 - A powerful Top-of-Rack Switch for Cloud Datacenters
 - 16 40G QSFP+ ports in 1RU
 - 1 RJ-45 out-of-band management port (10/100/1000)
 - 1 RJ-45 console port

How to compile ONIE
================================================================================
  $ cd machine/quanta/quanta_lb8d
  $ ./build.sh all

How to compile demo installer.
================================================================================
  $ cd machine/quanta/quanta_lb8d
  $ ./build.sh demo

How to compile html and pdf documents.
================================================================================
  $ cd machine/quanta/quanta_lb8d
  $ ./build.sh docs

For further information, please take a look at ``machine/quanta/quanta_lb8d/INSTALL``

Signed-off-by: Curt Brune <curt@cumulusnetworks.com>
Update onie-server.py

Fixed typo on line 94

Signed-off-by: Curt Brune <curt@cumulusnetworks.com>
x86 exec_installer: Fill serial number to HTTP headers

In powerpc platforms, the serial number is passed to kernel by
``bootargs`` from u-boot.  But it is not in x86 platforms.  It
makes wget send an empty serial number field as part of the HTTP
request headers during doing HTTP discover.

Signed-off-by: Curt Brune <curt@cumulusnetworks.com>