Add -lvmi to pkg config
Revert PR#2 because it broke master.
Merge pull request #19 from bdpayne/revert1

Revert PR#2 because it broke master.
Merge pull request #17 from tklengyel/pkgconfig

Add -lvmi to pkg config
Merge pull request #20 from tklengyel/custom-init

Fix init_complete bug when passed a NULL as configuration
Define VMI_INVALID_DOMID