Merged hyracks_spilling_groupby branch into trunk

git-svn-id: https://hyracks.googlecode.com/svn/trunk@313 123451ca-8445-de46-9d55-352943316053
15 files changed
tree: 1a2e218a3b7d7b7888bc86c07abcc0fb7eab8930
  1. hyracks/