Makefile generates setup.ml

Signed-off-by: Mike McClurg <mike.mcclurg@citrix.com>
Merge pull request #1 from mcclurmc/master

Makefile generates setup.ml
Add an obuild file.
RPC lightify stuff
Move http get/put into utils and add a disk_put function
Add the ability to install from main.iso rather than from pxe.

Note this requires a very recent build of Sarasota