using a single diskpart 128mb system, 100gb c and percent leftover d
add more complex logic to winbuild manifest

specifically:
* support windows 2008 and windows 2012
* provide example class handling for specific h/w virtualization
scenarios
* leverage hiera based values

note- this expects facter facts for productname and ise_kickstarting
baremetal functionality enhanced

* fully leverage hiera (domain naming context pending)
* cleaner logic
* documented sections
example placeholders
add os specific classes for 2008 and 2012
facter facts

* these are from the ISE corporate facter library

Please use at your own risk and may be customized for specific
scenario usage that may or may not align with your intentions

ise_kickstarting for this repo is used to determine if an
environment variable is confgured called ise_kickstarting
if yes, we know we are in winPE.

ise_mock_fqdn - winpe starts with a name, like mini-nt(blah)
and so we want to use the targetos name here.

ise_mock_hostname is the obvious derivate fact from mock fqdn
updated README file