Merge recent set of changes from fullstack_asterix_stabilization to fullstack_hyracks_result_distribution.

git-svn-id: https://hyracks.googlecode.com/svn/branches/fullstack_hyracks_result_distribution@3031 123451ca-8445-de46-9d55-352943316053
tree: 4b60c1def3cbf5d583f669fa9664387ef66f5f10
  1. algebricks/
  2. hivesterix/
  3. hyracks/
  4. pom.xml
  5. pregelix/