* Added tests for 1.1 individual command entry-points.
* Adding fixes pointed out in review: checks for CL_DEVICE_IMAGE_SUPPORT, remove redundant buffers, synchronisation issues, fixed clang-format, other minor issues.
* Fix compilation issues for Windows and macOS, fix clang-format.
* Fix compilation issue for Windows.
* Removed redundant blocking and event operations.
* Style fixes for test skip conditions.
* Fix clang format.
* Fixed function names, file names, comments and barrier test.
* Restored Individual command entry-points tests after merge with main.
* Fix clang format.
* Superficial fixes for review.
* Fix Skip() condition for barrier test
* Fix typos
* Fix new line
Signed-off-by: Paweł Jastrzębski <p.k.jastrzebski@gmail.com>