Merged fullstack_staging -r 2426:2786

git-svn-id: https://hyracks.googlecode.com/svn/branches/fullstack_hyracks_ioc@2788 123451ca-8445-de46-9d55-352943316053
tree: 56bc14304eda944c52d677d3265b55e477b6ac59
  1. algebricks/
  2. hivesterix/
  3. hyracks/
  4. pom.xml
  5. pregelix/