Make H5VM_array_calc_pre non static
Add H5Oidxinfo and H5O_IDXINFO_ID header message
Add H5Dquery and H5D_set_index

Call index plugin open/close/query
Remove FF-related index properties and cleanup H5P
Fix encoding / decoding of index metadata size
Update H5X and remove FF-related routines
Update dummy plugin and use H5Oopen_by_addr
Update FastBit plugin and use H5Oopen_by_addr
Update index test