necessary modifications for adding global aggregator

git-svn-id: https://hyracks.googlecode.com/svn/branches/fullstack_staging@2065 123451ca-8445-de46-9d55-352943316053
12 files changed
tree: d4d83f70cd6892b667a3e40d0a70e1f793632de0
  1. algebricks/
  2. hyracks/
  3. pom.xml
  4. pregelix/