nla/amberdb — pull request #18 by ato (2013-10-02 01:40:12+00:00)
Title: Implement Vertex.query()

Required for Gremlin to work. Just the unoptimised DefaultVertexQuery for now. We'll probably need to implement [Vertex Centric Indices](https://github.com/thinkaurelius/titan/wiki/Vertex-Centric-Indices) later for quickly retrieving parts of objects.