add/remove edge support in pregelix

git-svn-id: https://hyracks.googlecode.com/svn/branches/fullstack_staging@2678 123451ca-8445-de46-9d55-352943316053
8 files changed
tree: cb0d4a2f6de5e0cb7300ebe6b0c540ea6d39e54d
  1. algebricks/
  2. hivesterix/
  3. hyracks/
  4. pom.xml
  5. pregelix/