Major feature updates to Intel-QS.

  - New CMake 3.15 based build system with auto-dependency checking.
  - Remove dependency on Intel proprietary compiler tools.
  - Added new quantum algorithm example files and tutorials.
  - Adds capability to build within Docker images for Cloud enabling.
  - Adds a Python interface for seamless integration with other
    quantum frameworks.
  - Performance improvements.
  - Easier MPI/MKL/OpenMP/TBB selection for performance tuning.