init project
titan key need to be created firstly before used
test case: we created blog-1@timestamp:1, blog-2@timestamp:2, blog-3@timestamp:3, then we can get them in order: 3,2 and 1 as we expected.
Merge branch 'master' of gitorious:service-team-projects/com-thenetcircle-service-newsfeed
working on TitanMultiVertexQuery