1. Added the following search modifiers for the inverted index: Conjunctive, Jaccard, Edit Distance.
2. Added tests for bulk loading and searching the inverted index.
3. Still some bugs in search test. Will fix next.

git-svn-id: https://hyracks.googlecode.com/svn/branches/hyracks_indexes@451 123451ca-8445-de46-9d55-352943316053
16 files changed