* Implement support for loading of Virtual File Drivers as plugins
Fix plugin caching for VOL connector and VFD plugins
Fix plugin iteration to skip paths that can't be opened
* Enable dynamic loading of VFDs with HDF5_DRIVER environment variable
* Temporarily disable error reporting during H5F_open double file open
* Default to using HDstat in h5_get_file_size for unknown VFDs
* Use macros for some environment variables that HDF5 interprets
* Update "null" and "ctl testing" VFDs
* OESS-98 convert plugin option to FetchContent, add tests
* Fixes for pkcfg files because of plugin option
* OESS-98 fix tools test for plugins
* Keep doxygen comments under 100 chars long - format hint
* Whitespace
* HDFFV-11144 - Reclassify CMake messages
* HDFFV-11099/11100 added help text
* Reworked switch statement to compare string instead
* Fix typo
* Update CDash mode
* Correct name of threadsafe
* Correct option name
* Undo accidental commit
* Note LLVM 10 to 11 format default changes
* Update format plugin
* Undo clang-format version 11 changes
* One more correction
* Update supported platforms
* Revert whitespace changes
* Correct whitespace
* Changes from PR#3
* HDFFV-11213 added option to control gcc10 warnings diagnostics
* HDFFV-11212 Use the new references correctly in JNI utility and tests
* format source
* Fix typo
* Add new test file
* HDFFV-11212 - update test and remove unused arg
* Minor non-space formatting changes
* Use H5I_INVALID_ID instead of "-1"
* source formatting
* add missing testfile, update jni function
* Undo commit of debug code
* remove mislocated file
* Fix h5repack test for handling of fapls and id close
* Update h5diff test files usage text
* HDFFV-11212 add new ref tests for JNI export dataset
* src format update
* Remove blank line typo
* src format typo
* long double requires %Lg
* Another long double foramt specifer S.B. %Lg
* issue with t128bit test
* Windows issue with h5dump and type.
* Fix review issues
* refactor function nesting and fix error checks
* format fixes
* Remove untested functions and javadoc quiet comments
* Restore TRY block.
* Change string append errors to memory exception
* revert to H5_JNI_FATAL_ERROR - support functions need work
* Add assertion error for h5util functions
* remove duplicate function
* format fix
* Revert HD function error handling
* Update copyright comments
Move error_stack setup to tools library
Add structure for h5dump properties
Eliminate duplicated h5diff functions
Use properties structure in place of argument lists.
