add the reachibility query example

git-svn-id: https://hyracks.googlecode.com/svn/branches/fullstack_staging@2079 123451ca-8445-de46-9d55-352943316053
13 files changed
tree: 111f901620ee0d802e6318adaa4acfbd68a5e7c4
  1. algebricks/
  2. hyracks/
  3. pom.xml
  4. pregelix/