added validate() method for IIndexes. Currently only supported for BTree/LSM-BTree fixed BTree concurrency bug added prettier printing of the BTree changed all ordered index tests to validate the tree at the end of each test Cleaned up the LSM search cursor and changed LSM BTree search opcallback to properly unlatch in-memory pages during reconciliation Cleaned up the btree range search cursor changed InMemoryBufferCache to also release overflow pages when being reset/closed added copytuple method to TupleUtils that generates fewer objects
git-svn-id:
https://hyracks.googlecode.com/svn/branches/hyracks_lsm_tree@1781 123451ca-8445-de46-9d55-352943316053