Update package config
update codo version to make `npm run codo` run again
Expose GraphDatabase directly

Conflicts:
	lib/index.coffee
rename root to API root
Add test suite for GraphDatabase
Update package config
run TDD tests
Update test suite for GraphDatabase
add test for getServices()
Update test suite for GraphDatabase
add test for `supportsVersion(version)`

Conflicts:
	test/GraphDatabase._coffee
Add method `supportsVersion(version)` to GraphDatabase

Conflicts:
	lib/GraphDatabase._coffee
	package.json
Add test suite for NodeService class
Add NodeService class

Conflicts:
	lib/GraphDatabase._coffee