atlascpp-0.6.4-bp155.3.8

- Rename libatlascpp-0_6-1 subpackage to libatlascpp-0_6-3, making
  the package name match the libraries provided.

- Update to version 0.6.4:
  * Use same real value comparison as WFMath.
  * Remove checking new pointer.
  * Remove unused string.
  * Use epsilon for float comparison.
  * Replace deprecated INCLUDES with AM_CPPFLAGS.
- Drop unneeded patches:
  * atlascpp-0.6.2-Werror.patch: Current version builds just fine
    with -Werror, so let's keep it.
  * fsf.patch: FSF postal address was updated by upstream in every
    header and in COPYING.
- Fix license: LGPL-2.1-only (according to COPYING file) and
  GPL-2.0-or-later (according to some file headers).

- Update RPM groups, summary and descriptions.

- Don't package libtool archives.
- Add fsf.patch to fix the FSF address in the license file.

- Build version 0.6.3

- Build version 0.6.2 using the provided spec file as a template