update copyright header for pregelix source code

git-svn-id: https://hyracks.googlecode.com/svn/branches/fullstack_staging@1993 123451ca-8445-de46-9d55-352943316053
55 files changed
tree: acbc1d32c1858ed212705c86bbc240ecb531c49c
  1. algebricks/
  2. hyracks/
  3. pom.xml
  4. pregelix/