clean up warnings in hivesterix codebase

git-svn-id: https://hyracks.googlecode.com/svn/branches/fullstack_staging@2671 123451ca-8445-de46-9d55-352943316053
40 files changed
tree: c4205b297a48f63dc4a32af27ce0938ecf427ac8
  1. algebricks/
  2. hivesterix/
  3. hyracks/
  4. pom.xml
  5. pregelix/