Fix off by 1 error in H5S__hyper_project_intersection algorithm.
Add many tests for fixed size hyperslab I/O.
Note make check still fails in h5dump test (unrelated to this checkin).
Tested: ummon
Note there are still some code coverage assertions in the selection matching
algorithm - if you hit these try taking them out.
Note make check still fails in h5dump test (unrelated to this checkin).
Tested: ummon
Added tests for I/O on virtual dataset with source datasets in unopened files.
Note there are still some code coverage assertions in the selection matching
algorithm - if you hit these try taking them out.
Note make check still fails in h5dump test (unrelated to this checkin).
Tested: ummon
