added drop btree operator and added isLocalCluster flag to btree operators to simplify testing

git-svn-id: https://hyracks.googlecode.com/svn/trunk@123 123451ca-8445-de46-9d55-352943316053
14 files changed
tree: 8bdd7b05ef347f16fbfb765ed32f67bf426badac
  1. hyracks/