Added shortcut for getting FramedTraversal and allow filter pipe with FramedTraversal
Added Tinkerpop Frames equivalent of @Adjacency(add) following Gremlin/Pipes naming convention and tests
Added Tinkerpop Frames equivalent of @Adjacency(remove) following Gremlin/Pipes naming convention and tests
Added Tinkerpop Frames equivalent of @Adjacency(set) following Gremlin/Pipes naming convention and tests
Added shortcut for setting adjacency to new(non-existing) vertex
Merge pull request #4 from tjad/associations

Association management - @Adjacency alternative