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
Merge pull request #16 from dschatzberg/forSESA

Start remote hello world app.
Rename Ebb to EbbRef

This closes #14
Merge pull request #17 from dschatzberg/forSESA

Rename Ebb to EbbRef
Add LRT_ASSERT macro

This closes #13
Get rid of stray comment
Merge pull request #18 from dschatzberg/forSESA

Add LRT_ASSERT macro
Remove stray #include
Merge pull request #20 from dschatzberg/forSESA

Remove stray #include
Comments throughout lrt x86 bringup