Merge pull request #8 from dschatzberg/forSESA

Change Ebb to store pointer instead of id
Empty lrt framework for ulnx build
Shell of ulnx ebb-library

ebblib::init() calls stubbed-out lrt->boot functionality on ulnx.

Plan is for an native linux app to include our ebb-library that will
provide an interface to initializing ebb functionality.
Merge pull request #12 from jmcddn/forSESA

For sesa
Add PCI Enumeration
Improve PCI and start virtio
Add code to send packet
Rename EbbAllocator to EbbManager
Build out EbbManager and move Virtio into an EBB

The EbbManager now supports allocating Ids and binding them. This requires
kicking out the initial root and replacing it with our own.
Change FindRoot to Install on EbbManager
VirtioNet now allocates buffer with mac addr in it
Add PCI as Ebb
some comments
Add thread safe roots and resolve deadlocks
Resolve merge conflicts